[1] Univ Calif San Diego, Sch Med, Dermatol & Pediat, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Sch Med, Dept Dermatol, La Jolla, CA 92093 USA
[3] Univ Calif San Diego, Sch Med, Pediat & Adolescent Dermatol, La Jolla, CA 92093 USA
[4] Univ Calif, Rady Childrens Hosp San Diego, La Jolla, CA USA
[5] Henry Ford Hlth Syst, Dermatol Res, Detroit, MI USA