[1] Yangtze Univ, Med Dept, Jingzhou, Peoples R China
[2] Wuhan Univ, Zhongnan Hosp, Nursing Dept, Wuhan 430071, Peoples R China
[3] Wuhan Univ, Zhongnan Hosp, Dept Breast Oncol, Wuhan, Peoples R China
[4] Wuhan Univ, Zhongnan Hosp, Dept Struct Cardiol, Wuhan, Peoples R China
[5] Beihu Community Hlth Serv Ctr, Wuhan, Peoples R China
[6] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Chinese Med, Wuhan, Peoples R China
[7] Wuhan Univ, Zhongnan Hosp, Dept Geriatr, Wuhan, Peoples R China
[8] Emory Univ, Nell Hodgson Woodruff Sch Nursing, Atlanta, GA USA