1. Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
2. European Medical Center, Moscow, Russia
3. Center for Reproductive Medicine and Andrology/Clinical and Surgical Andrology, University Hospital of Münster, Münster, Germany
4. Medical Department, Endocrinology Unit, Maggiore Bellaria Hospital, Bologna, Italy
5. Department of Medicine/Huddinge Karolinska Institutet and ANOVA, Karolinska University Hospital, Stockholm, Sweden
6. Department of Endocrinology, People’s Friendship University of Russia, Moscow, Russia
7. Clinic «K-meditsyna», Moscow, Russia
8. Department of Urology, Harvard Medical School, Boston, MA, USA