[1] NYU, Sch Med, Ronald O Perelman Dept Dermatol, New York, NY 10016 USA
[2] Northwestern Univ, Sch Med, Childrens Mem Hosp, Dept Pediat, Chicago, IL USA
[3] Northwestern Univ, Sch Med, Childrens Mem Hosp, Dept Dermatol, Chicago, IL USA
[4] Univ Illinois, Dept Pediat, Chicago, IL 60680 USA
[5] Univ Illinois, Dept Genet, Chicago, IL 60680 USA
[6] Mt Sinai Sch Med, Dept Human Genet, New York, NY USA
[7] Mt Sinai Sch Med, Dept Pediat, New York, NY USA