1. Latvian Biomedical Research and Study Center, Riga LV-1067, Latvia
2. Andrology Center, Tartu University Hospital, 50406 Tartu, Estonia
3. Institute of Endocrinology, Lithuanian University of Health Sciences, Kaunas LT-50009, Lithuania
4. Clinic ‘Piramida’, Riga LV-1012, Latvia
5. Department of Growth and Reproduction, GR-5064, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
6. International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), GR-5064, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark