[1] Univ Calif San Diego, San Diego, CA 92103 USA
[2] Rady Childrens Hosp, San Diego, CA USA
[3] George Washington Univ, Sch Med, Washington, DC 20052 USA
[4] Univ Autonoma Barcelona, Hosp Univ Germans Trias & Pujol, Inst Invest Ciencies Salut Germans Trias & Pujol, Barcelona, Spain
[5] Australian Natl Univ, Woden Dermatol, Canberra, ACT, Australia
[6] Eli Lilly & Co, Indianapolis, IN 46285 USA