1. The Marfan Foundation, Port Washington, NY, USA
2. The John Ritter Foundation for Aortic Health, Los Angeles, CA, USA
3. The Aortic Dissection Charitable Trust, Chesterfield, UK
4. Aortic Dissection Awareness UK & Ireland, Surrey, UK
5. Genetic Aortic Disorders Association Canada, Mississauga, ON, Canada
6. Marfan Trust, Keston, Kent, UK
7. McKusick-Nathans Department of Genetic Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA