1. Division of Systems Medicine School of Medicine Ninewells Hospital and Medical School University of Dundee Dundee Scotland
2. Andrology, Female Endocrinology and Gender Incongruence Unit Department of Experimental and Clinical Biomedical Sciences "Mario Serio" University of Florence Florence Italy
3. Department of Experimental and Clinical Medicine University of Florence Florence Italy
4. Centre of Reproductive Medicine and Andrology University Hospital of Münster Münster Germany
5. Department of Obstetrics and Gynaecology University of the Philippines College of Medicine Philippine General Hospital Ermita, Manila Philippines
6. Andrology Laboratory ANOVA – Karolinska University Hospital & Karolinska Instiutet Stockholm Sweden
7. Department of Sexual and Reproductive Health and Research (SRH) World Health Organization Geneva Switzerland