1. Departments of Medical Genetics and Pediatrics; University of British Columbia and BC Children's Hospital Vancouver; British Columbia Canada
2. Arthrogryposis Clinic; Turner Scientific and Research Institute for Children's Orthopedics; Saint Petersburg Russia
3. Department of Pediatric Orthopedic Surgery; Karolinska University Hospital; Stockholm Sweden
4. Department of Orthopedic Surgery; Shriners Hospital for Children; Philadephia Pennsylvania