[1] Center of Postgraduate Medical Education,Second Department of Obstetrics and Gynecology
[2] University of Illinois at Chicago,Department of Surgery
[3] Ain Shams University,Clinical Pharmacy Department, Faculty of Pharmacy
[4] University of Chicago,Biological Sciences Division: Public Health Sciences
[5] Medical University of Warsaw,Department of Internal Diseases and Endocrinology, Central Teaching Clinical Hospital
[6] Center of Postgraduate Medical Education,First Department of Obstetrics and Gynecology
[7] University of Chicago,Department of Obstetrics and Gynecology