1. Department of Obstetrics and Gynecology San Paolo Hospital Medical School University of Milan Milan Italy
2. Department of Environmental Health Sciences Mailman School of Public Health Columbia University New York NY USA
3. Department of Obstetrics and Gynecology Sheba Medical Center Tel Hashomer Israel
4. Sackler School of Medicine Tel Aviv University Tel Aviv Israel
5. Division of Endocrinology, Diabetes and Metabolism Sheba Medical Center Tel Hashomer Israel