Eric Scott Sills1
, Hussein S Qublan2
, Zeev Blumenfeld3
, Ahmad VT Dizaj4
, Ariel Revel5
, Serdar Coskun6
, Imad Abou Jaoude7
, Gamal Serour8
, Mamdoh Eskandar9
, Mohammad Ali Khalili10
, Aygul Demirol11
, Krinos Trokoudes12
, Pelin Ocal13
, Abdul Munaf Sultan14
, Benjamin A Lotto15
and Adele El-Kareh16 
1Reproductive Endocrinology Division, Department of Obstetrics and Gynecology, Vassar Brothers Medical Center, Poughkeepsie, New York USA
2Department of Obstetrics and Gynecology, Royal Jordanian Medical Service, Amman, Jordan
3Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, Rambam Medical Center/Technion Faculty of Medicine, Haifa, Israel
4Royan Institute, Tehran, Iran
5Department of Obstetrics and Gynecology, Hadassah Medical Center and Hebrew University-Hadassah Medical School, Jerusalem, Israel
6Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
7Center for Reproductive Medicine and Genetics, Beirut, Lebanon
8Egyptian IVF Center, Al-Azhar University, Cairo, Egypt
9Maternity and Child Hospital, The Saudi Center for Assisted Reproduction, King Khalid University College of Medicine, Abha, Saudi Arabia
10Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
11Women's Infertility, IVF and Health Clinic, Ankara, Turkey
12Pedieos IVF Center, Nicosia, Cyprus
13IVF-ET Unit, Department of Obstetrics and Gynecology, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey
14Assisted Conception Unit, Women's Hospital, Hamad Medical Corporation, Doha, Qatar
15Department of Mathematics, Vassar College, Poughkeepsie, New York USA
16Department of Obstetrics and Gynecology, Vassar Brothers Medical Center, Poughkeepsie, New York USA