[1] Seattle Childrens Hosp, Dept Orthoped & Sports Med, 4800 Sand Point Way OA 9-120, Seattle, WA 98105 USA
[2] Nemours Alfred I du Pont Hosp Children, Div Genet, Wilmington, DE USA
[3] Seoul Natl Univ, Div Pediat Orthopaed, Childrens Hosp, Seoul, South Korea
[4] Johns Hopkins Univ, McKusick Nathans Inst Genet Med, Baltimore, MD USA
[5] Guys & St Thomas NHS, Dept Clin Genet, London, England
[6] Nemours Alfred I du Pont Hosp Children, Dept Orthoped Surg, Wilmington, DE USA
[7] Seattle Childrens Hosp, Dept Radiol, 4800 Sand Point Way OA 9-120, Seattle, WA 98105 USA
[8] Hosp Special Surg, Dept Orthoped Surg, 535 E 70th St, New York, NY 10021 USA
[9] Seattle Childrens Hosp, Div Pulm Med, 4800 Sand Point Way OA 9-120, Seattle, WA 98105 USA
[10] Boston Childrens Hosp, Dept Orthoped Surg, Boston, MA USA
[11] Univ Melbourne, Murdoch Childrens Res Inst, Victorian Clin Genet Serv, Parkville, Vic, Australia
[12] Nemours Alfred I du Pont Hosp Children, Dept Anesthesia, Wilmington, DE USA