1. University of California, San Francisco, Child and Adolescent Gender Center, San Francisco, California, USA
2. Alliant International University, Rockway Institute, San Francisco, California, USA
3. Quest Family Therapy, Santa Rosa, California, USA
4. Private Practice, St. Louis, Missouri, USA
5. Boston Children's Hospital, Division of Endocrinology, Boston, Massachusetts, USA
6. Department of Psychology, University of Houston, Houston, Texas, USA