1. Gender and Autism Program, Center for Neuroscience, Children's National Hospital, Washington, District of Columbia, USA.
2. Departments of Pediatrics, Psychiatry and Behavioral Sciences, George Washington University School of Medicine, Washington, District of Columbia, USA.
3. Department of Medical Psychology, Center of Expertise on Gender Dysphoria, Amsterdam University Medical Centers, Location Vrije Universiteit, Amsterdam, The Netherlands.
4. Department of Child and Adolescent Psychiatry, Center of Expertise on Gender Dysphoria, Amsterdam University Medical Centers, Location Vrije Universiteit, Amsterdam, The Netherlands.
5. Brandeis University, Waltham, Massachusetts, USA.
6. Private Consultant, Utrecht, The Netherlands.
7. Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, Connecticut, USA.
8. Child and Youth Mental Health Collaborative at the Centre for Addiction and Mental Health, The Hospital for Sick Children, and Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.
9. Autism Research Centre, Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom.
10. Department of Psychiatry, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan.
11. Private Consultant, Santa Cruz, California, USA.
12. Private Consultant, London, United Kingdom.
13. Linguistic Consultant, Eindhoven, The Netherlands.
14. Autistic People of Color Fund, Lincoln, Nebraska, USA.
15. School of Professional Psychology, Pacific University, Hillsboro, Oregon, USA.
16. Private Consultant, Leiden, The Netherlands.
17. Private Consultant, Nieuwegein, The Netherlands.
18. #AutChat, Portland, Oregon, USA.
19. Private Consultant, Canberra, Australia.
20. Department of Disability, Inclusion and Special Needs, University of Birmingham, Edgbaston, Birmingham, United Kingdom.
21. Macquarie University, Sydney, Australia.
22. Curtin Autism Research Group, Curtin University, Perth, Australia.
23. Brown University, Providence, Rhode Island, USA.
24. Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands.
25. Department of Developmental Psychology, University of Amsterdam, Amsterdam, The Netherlands.
26. GLSEN, New York, New York, USA.
27. Private Consultant, Hilversum, The Netherlands.
28. Private Consultant, Bethesda, Maryland, USA.
29. Private Consultant, Eugene, Oregon, USA.
30. Parnassia Psychiatric Institute, The Hague, The Netherlands.
31. Disability Studies Program, Georgetown University, Washington, District of Columbia, USA.
32. Autistic Women & Nonbinary Network, Lincoln, Nebraska, USA.
33. Flow Observatorium, Portsmouth, United Kingdom.
34. Private Consultant, Arborfield, Canada.
35. The Arc of the United States National Council of Self Advocates, Washington, District of Columbia, USA.
36. Wisconsin Autism Empowerment, Milwaukee, Wisconsin, USA.
37. Autistic Self-Advocacy Network, Washington, District of Columbia, USA.
38. Private Consultant, Amsterdam, The Netherlands.