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- [1] Knowledge, Attitude, and Practice Towards Rehabilitation in Patients with Breast Cancer: A Cross-Sectional StudyJOURNAL OF MULTIDISCIPLINARY HEALTHCARE, 2025, 18 : 1483 - 1492Zhou, Yan论文数: 0 引用数: 0 h-index: 0机构: Yixing Peoples Hosp, Dept Nursing, Yixing 214200, Jiangsu, Peoples R China Yixing Peoples Hosp, Dept Nursing, Yixing 214200, Jiangsu, Peoples R ChinaLu, Qin论文数: 0 引用数: 0 h-index: 0机构: Yixing Tradit Chinese Med Hosp, Dept Gen Surg, Yixing 214200, Peoples R China Yixing Peoples Hosp, Dept Nursing, Yixing 214200, Jiangsu, Peoples R ChinaYu, Xuequn论文数: 0 引用数: 0 h-index: 0机构: Yixing Tradit Chinese Med Hosp, Dept Gen Surg, Yixing 214200, Peoples R China Yixing Peoples Hosp, Dept Nursing, Yixing 214200, Jiangsu, Peoples R China
- [2] KNOWLEDGE, ATTITUDE AND PRACTICE RELATED TO CERVICAL CANCER AND SCREENING AMONG WOMEN: COMMUNITY BASED CROSS - SECTIONAL STUDYINTERNATIONAL JOURNAL OF PHARMACEUTICAL SCIENCES AND RESEARCH, 2018, 9 (02): : 722 - 729Krishnaveni, K.论文数: 0 引用数: 0 h-index: 0机构: JKK Nattraja Coll Pharm, Dept Pharm Practice, Komarapalayam 638183, Tamil Nadu, India JKK Nattraja Coll Pharm, Dept Pharm Practice, Komarapalayam 638183, Tamil Nadu, IndiaRoy, Pinki论文数: 0 引用数: 0 h-index: 0机构: JKK Nattraja Coll Pharm, Dept Pharm Practice, Komarapalayam 638183, Tamil Nadu, India JKK Nattraja Coll Pharm, Dept Pharm Practice, Komarapalayam 638183, Tamil Nadu, IndiaSambathkumar, R.论文数: 0 引用数: 0 h-index: 0机构: JKK Nattraja Coll Pharm, Dept Pharmaceut, Komarapalayam 638183, Tamil Nadu, India JKK Nattraja Coll Pharm, Dept Pharm Practice, Komarapalayam 638183, Tamil Nadu, India
- [3] Assessing knowledge, attitude and practice towards prostate cancer screening among males in Southwest Tanzania: A cross-sectional studyCANCER TREATMENT AND RESEARCH COMMUNICATIONS, 2023, 36Makungu, Mariam L.论文数: 0 引用数: 0 h-index: 0机构: Univ Dar es Salaam, Mbeya Coll Hlth & Allied Sci, POB 608, Mbeya, Tanzania Univ Dar es Salaam, Mbeya Coll Hlth & Allied Sci, POB 608, Mbeya, TanzaniaMweya, Clement N.论文数: 0 引用数: 0 h-index: 0机构: Univ Dar es Salaam, Mbeya Coll Hlth & Allied Sci, POB 608, Mbeya, Tanzania Natl Inst Med Res, Mbeya Med Res Ctr, POB 2410, Mbeya, Tanzania Univ Dar es Salaam, Mbeya Coll Hlth & Allied Sci, POB 608, Mbeya, Tanzania
- [4] Knowledge, attitude and practice towards breast cancer and screening among healthcare workers in northwestern China: a cross-sectional studyLANCET REGIONAL HEALTH-WESTERN PACIFIC, 2025, 55Liu, Jinlin论文数: 0 引用数: 0 h-index: 0机构: Northwestern Polytech Univ, Xian, Peoples R China Northwestern Polytech Univ, Xian, Peoples R ChinaHuang, Xiaohan论文数: 0 引用数: 0 h-index: 0机构: Northwestern Polytech Univ, Xian, Peoples R China Northwestern Polytech Univ, Xian, Peoples R ChinaQian, Xizhu论文数: 0 引用数: 0 h-index: 0机构: Northwestern Polytech Univ, Xian, Peoples R China Northwestern Polytech Univ, Xian, Peoples R ChinaDuan, Zhuqing论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Xian, Peoples R China Northwestern Polytech Univ, Xian, Peoples R China
- [5] Knowledge, attitude, and practice towards thyroid nodules and cancer among patients: a cross-sectional studyFRONTIERS IN PUBLIC HEALTH, 2023, 11Li, Wei论文数: 0 引用数: 0 h-index: 0机构: Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R China Soochow Univ, Dept Neurol, Affiliated Hosp 2, Suzhou, Jiangsu, Peoples R China Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R ChinaDeng, Jian论文数: 0 引用数: 0 h-index: 0机构: Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R China Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R ChinaXiong, Wei论文数: 0 引用数: 0 h-index: 0机构: Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R China Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R ChinaZhong, Yangyan论文数: 0 引用数: 0 h-index: 0机构: Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R China Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R ChinaCao, Hong论文数: 0 引用数: 0 h-index: 0机构: Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R China Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R ChinaJiang, Guoqin论文数: 0 引用数: 0 h-index: 0机构: Soochow Univ, Dept Neurol, Affiliated Hosp 2, Suzhou, Jiangsu, Peoples R China Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Dept Breast & Thyroid Surg, Hengyang, Hunan, Peoples R China
- [6] Knowledge, attitude, and practice of Egyptian medical students towards healthcare workers' recommended vaccines: a nationwide cross-sectional surveyBMC MEDICAL EDUCATION, 2024, 24 (01)Shawqi, Mohamed Mohamed论文数: 0 引用数: 0 h-index: 0机构: Benha Univ, Fac Med, Dept Emergency Med, Banha, Egypt Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptEl-Said, Yara Mohamed论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptBehery, Mostafa B.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptAbdelaziz, Ali论文数: 0 引用数: 0 h-index: 0机构: Alexandria Univ, Fac Med, Alexandria, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptIbrahem, Esraa Shawky论文数: 0 引用数: 0 h-index: 0机构: Alexandria Univ, Fac Med, Alexandria, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptEl Boraie, Aly论文数: 0 引用数: 0 h-index: 0机构: Cairo Univ, Fac Med, Cairo, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptKhattab, Mohamed Ayman论文数: 0 引用数: 0 h-index: 0机构: Cairo Univ, Fac Med, Cairo, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptGhattas, Ahmad S.论文数: 0 引用数: 0 h-index: 0机构: Helwan Univ, Fac Med, Helwan, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptNaeem, Ahmed论文数: 0 引用数: 0 h-index: 0机构: Al Azhar Univ, Fac Med, Assiut, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptMadany, Maysa论文数: 0 引用数: 0 h-index: 0机构: South Valley Univ, Fac Med, Qena, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptEl Boraay, Toka论文数: 0 引用数: 0 h-index: 0机构: Zagazig Univ, Fac Med, Zagazig, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptNaguib, Mostafa Mahmoud论文数: 0 引用数: 0 h-index: 0机构: Al Azhar Univ, Fac Med, Dumyat, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptAllam, Abdallah R.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptAllam, Ahmed Hafez论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptBahbah, Ammar Ayman论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptEwis, Marwa Ibrahim论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptElsayed, Mostafa Ahmed论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptSherief, Leenah论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Student Res Unit, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptKhallafallah, Mahmoud Tawfik论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Dept Ophthalmol, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptGouda, Mohamed Alaa论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Dept Clin Oncol, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, EgyptAboshady, Omar Ali论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Clin Pharmacol Dept, Menoufia, Egypt Benha Univ, Fac Med, Dept Emergency Med, Banha, Egypt
- [7] Knowledge, attitude, preventive practices and utilization of cervical cancer screening among women in Nepal: a community-based cross-sectional studyEUROPEAN JOURNAL OF CANCER PREVENTION, 2022, 31 (01) : 73 - 81Shrestha, Aamod Dhoj论文数: 0 引用数: 0 h-index: 0机构: Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, Denmark Nepal Dev Soc, COBIN, Bharatpur, Nepal Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkGyawali, Bishal论文数: 0 引用数: 0 h-index: 0机构: Univ Copenhagen, Dept Publ Hlth, Global Hlth Sect, Copenhagen, Denmark Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkShrestha, Archana论文数: 0 引用数: 0 h-index: 0机构: Kathmandu Univ, Dept Publ Hlth, Sch Med Sci, Kathmandu, Nepal Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkShrestha, Sadeep论文数: 0 引用数: 0 h-index: 0机构: Univ Alabama Birmingham, Sch Publ Hlth, Birmingham, AL 35294 USA Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkNeupane, Dinesh论文数: 0 引用数: 0 h-index: 0机构: Nepal Dev Soc, COBIN, Bharatpur, Nepal Johns Hopkins Univ, Welch Ctr Prevent Epidemiol & Clin Res, Baltimore, MD USA Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkGhimire, Sarita论文数: 0 引用数: 0 h-index: 0机构: Nepal Canc Care Fdn, Lalitpur, Nepal Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkCampbell, Christine论文数: 0 引用数: 0 h-index: 0机构: Univ Edinburgh, Usher Inst, Edinburgh, Midlothian, Scotland Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, DenmarkKallestrup, Per论文数: 0 引用数: 0 h-index: 0机构: Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, Denmark Aarhus Univ, Ctr Global Hlth, Dept Publ Hlth, Aarhus, Denmark
- [8] Colonoscopy screening for colorectal cancer in Egypt: a nationwide cross-sectional studyBMC CANCER, 2024, 24 (01)Allam, Abdallah R.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptElsayed, Mostafa A.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptDaghash, Ibrahim Tawfiq论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptAbdelaziz, Ali M.论文数: 0 引用数: 0 h-index: 0机构: Alexandria Univ, Fac Med, Alexandria, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptMostafa, Omnia M.论文数: 0 引用数: 0 h-index: 0机构: South Valley Univ, Fac Med, Qena, Egypt Menoufia Univ, Fac Med, Menoufia, Egypt论文数: 引用数: h-index:机构:Eldaboush, Ahmed Monib论文数: 0 引用数: 0 h-index: 0机构: Al Azhar Univ, Fac Med, Cairo, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptAhmed, Noor Maged Badrawy论文数: 0 引用数: 0 h-index: 0机构: Ain Shams Univ, Fac Med, Cairo, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptElweza, Rawan Tarek论文数: 0 引用数: 0 h-index: 0机构: Mansoura Univ, Fac Med, Dakahlia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptAdwy, Enas Sherif论文数: 0 引用数: 0 h-index: 0机构: Benha Univ, Fac Med, Cairo, Qalubia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptHammad, Abdelrahman Elbendary论文数: 0 引用数: 0 h-index: 0机构: Cairo Univ, Fac Med, Cairo, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptKabbash, Ibrahim Ali论文数: 0 引用数: 0 h-index: 0机构: Tanta Univ, Fac Med, Tanta, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptAllam, Ahmed Hafez论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptBahbah, Ammar Ayman论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptEwis, Marwa Ibrahim论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptMohamed Shawqi, Mohamed论文数: 0 引用数: 0 h-index: 0机构: Benha Univ, Fac Med, Cairo, Qalubia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptBehery, Mostafa B.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptMohamed El-Said, Yara论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptRadwan, Ahmed Eid论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptKhallafallah, Mahmoud T.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, EgyptAboshady, Omar Ali论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Purdue Univ, Coll Pharm, W Lafayette, IN USA Menoufia Univ, Fac Med, Menoufia, EgyptGouda, Mohamed A.论文数: 0 引用数: 0 h-index: 0机构: Menoufia Univ, Fac Med, Menoufia, Egypt Menoufia Univ, Fac Med, Menoufia, Egypt
- [9] Cervical cancer screening in rural Ethiopia: a cross- sectional knowledge, attitude and practice studyBMC Cancer, 20Friederike Ruddies论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsMuluken Gizaw论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsBrhanu Teka论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsSarah Thies论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsAndreas Wienke论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsAndreas M. Kaufmann论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsTamrat Abebe论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsAdamu Addissie论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and InformaticsEva Johanna Kantelhardt论文数: 0 引用数: 0 h-index: 0机构: Martin-Luther-Universität Halle-Wittenberg,Institute of Medical Epidemiology, Biometrics and Informatics
- [10] Cervical cancer screening in rural Ethiopia: a cross- sectional knowledge, attitude and practice studyBMC CANCER, 2020, 20 (01)Ruddies, Friederike论文数: 0 引用数: 0 h-index: 0机构: Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, Germany Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyGizaw, Muluken论文数: 0 引用数: 0 h-index: 0机构: Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, Germany Addis Ababa Univ, Sch Publ Hlth, Dept Prevent Med, Addis Ababa, Ethiopia Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyTeka, Brhanu论文数: 0 引用数: 0 h-index: 0机构: Addis Ababa Univ, Dept Microbiol Immunol & Parasitol, Addis Ababa, Ethiopia Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyThies, Sarah论文数: 0 引用数: 0 h-index: 0机构: Charite Univ Med Berlin, Clin Gynecol, Augustenburgerpl 1, D-13353 Berlin, Germany Free Univ Berlin, Augustenburgerpl 1, D-13353 Berlin, Germany Humboldt Univ, Augustenburgerpl 1, D-13353 Berlin, Germany Berlin Inst Hlth, Augustenburgerpl 1, D-13353 Berlin, Germany Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyWienke, Andreas论文数: 0 引用数: 0 h-index: 0机构: Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, Germany Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyKaufmann, Andreas M.论文数: 0 引用数: 0 h-index: 0机构: Charite Univ Med Berlin, Clin Gynecol, Augustenburgerpl 1, D-13353 Berlin, Germany Free Univ Berlin, Augustenburgerpl 1, D-13353 Berlin, Germany Humboldt Univ, Augustenburgerpl 1, D-13353 Berlin, Germany Berlin Inst Hlth, Augustenburgerpl 1, D-13353 Berlin, Germany Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyAbebe, Tamrat论文数: 0 引用数: 0 h-index: 0机构: Addis Ababa Univ, Dept Microbiol Immunol & Parasitol, Addis Ababa, Ethiopia Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyAddissie, Adamu论文数: 0 引用数: 0 h-index: 0机构: Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, Germany Addis Ababa Univ, Sch Publ Hlth, Dept Prevent Med, Addis Ababa, Ethiopia Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, GermanyKantelhardt, Eva Johanna论文数: 0 引用数: 0 h-index: 0机构: Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, Germany Martin Luther Univ Halle Wittenberg, Inst Med Epidemiol Biometr & Informat, D-06097 Halle, Saale, Germany