1. Department of GeneticsHarvard Medical School Boston MA USA
2. Department of Medicine and the Howard Hughes Medical InstituteBrigham and Women's Hospital Boston MA USA
3. Department of HematologyHemostasis & Thrombosis of National Institute of Blood Disease & Bone Marrow Transplantation Karachi Pakistan
4. Chronic Pain ClinicWilderman Medicine Professional Corporation Toronto Canada
5. Institute of Genetic MedicineNewcastle University Newcastle UK
6. Toronto General HospitalUniversity of Toronto Toronto Canada