1. School of Social Sciences, Department of Psychology, Nottingham Trent University, England, UK
2. Elson S. Floyd College of Medicine, Washington State University, Spokane, Washington, USA
3. Division of Plastic Surgery, Department of Surgery, University of Washington, Seattle, WA, USA
4. Seattle Children’s Gender Clinic, Seattle, WA, USA
5. Department of Urology, University of Washington, Seattle, WA, USA