[1] Univ Washington, Sch Med, Dept Pediat, Div Dermatol, Seattle, WA USA
[2] Seattle Childrens Hosp, Seattle, WA USA
[3] Boston Childrens Hosp, Inst Ctr Clin & Translat Res, Boston, MA USA
[4] Univ Washington, Seattle Childrens Hosp, Sch Med, Dept Pediat, Seattle, WA USA
[5] Childrens Hosp Montefiore, Div Adolescent Med, New York, NY USA
[6] Childrens Hosp Los Angeles, Div Adolescent Young Adult Med, Los Angeles, CA USA
[7] Boston Childrens Hosp, Div Adolescent Young Adult Med, Boston, MA USA
[8] Seattle Childrens Hosp, Dept Surg, 4800 Sand Point Way NE,OC9 833, Seattle, WA 98105 USA