1. Institute for Sex Research, Sexual Medicine, and Forensic Psychiatry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. Transgender Infopunt, Ghent University Hospital, Ghent, Belgium
3. Transgender Europe, Berlin, Germany
4. Department of Community and Allied Health, Discipline of Speech Pathology, La Trobe University, La Trobe Rural Health School, Melbourne, VIC, Australia
5. Eurasian Key Populations Coalition, Warszawa, Poland
6. Department of Psychiatry, Hacettepe University, Ankara, Turkey
7. Andrology, Sexual Medicine, Transgender Medicine, Karolinska University Hospital, Solna, Stockholm, Sweden
8. Department of Psychiatry, Clinical Centre of Serbia, Belgrade, Serbia
9. Department of Psychiatry, Jagiellonian University Medical College, Sexology Lab, Krakow, Poland
10. Genres Pluriels, Brussels, Belgium
11. Clinical and Health Psychology Unit, Department of Psychology, Faculty of Humanities and Social Sciences, University of Zagreb, Zagreb, Croatia
12. Department of Psychology, University of Milan, Milan, Italy
13. School of Psychotherapy and Psychology, Tavistock and Portman NHS Foundation Trust & Regents University London, London, UK
14. FtM Phoenix Group, Moscow, Russia
15. Faculty Arts & Social Sciences, University of Waikato, Hamilton, New Zealand