[1] Natl Inst Geriatr Rheumatol & Rehabil, Dept Geriatr, PL-02637 Warsaw, Poland
[2] Polish Soc Disaster Med, Res Unit, PL-05806 Warsaw, Poland
[3] Int Acad Ecol & Med, Dept Publ Hlth, UA-02091 Kiev, Ukraine
[4] Med Univ Lublin, Chair & Dept Oral Surg, PL-20093 Lublin, Poland
[5] Natl Inst Geriatr Rheumatol & Rehabil, Dept Gerontol Publ Hlth & Educ, PL-02637 Warsaw, Poland
[6] Univ Hosp Zurich, Dept Gynecol, CH-8091 Zurich, Switzerland
[7] Univ Hosp Zurich, Dept Obstet, CH-8091 Zurich, Switzerland
[8] Internal Med Clin, Res Unit, PL-03003 Warsaw, Poland
[9] Baylor Coll Med, Henry JN Taub Dept Emergency Med, Houston, TX 77030 USA
[10] Maria Sklodowska Curie Med Acad Warsaw, Inst Outcomes Res, PL-00136 Warsaw, Poland
[11] Maria Sklodowska Curie Bialystok Oncol Ctr, Res Unit, PL-15027 Bialystok, Poland