1. Institute for Sex Research, Sexual Medicine and Forensic Psychiatry, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
2. Department for Urology, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
3. Institute of Psychosocial Medicine, Psychotherapy and Psycho-Oncology, University Hospital Jena, Stoystrasse 3, 07740 Jena, Germany
4. Interdisciplinary Transgender Health Care Center, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany