1. Complex Ehlers–Danlos Syndromes National Service London North West University Healthcare NHS Trust Harrow Middlesex U.K.
2. Sheffield Diagnostic Genetics Service Sheffield Children's NHS Foundation Trust Sheffield U.K.
3. Department of Dermatology Chelsea and Westminster Hospital NHS Foundation Trust London U.K.
4. Maritime Medical Genetics Service IWK Health Centre Halifax Nova Scotia Canada
5. Connective Tissue Disorders Service Sheffield Diagnostic Genetics Service Sheffield U.K.
6. Nuffield Department of Clinical Laboratory Sciences University of Oxford John Radcliffe Hospital Oxford U.K.
7. Department of Biological & Medical Sciences Oxford Brookes University Oxford U.K.