[1] Stanford Univ, Dept Dermatol, Redwood City, CA USA
[2] Univ Illinois, Coll Med, Peoria, IL 61656 USA
[3] Vet Affairs Palo Alto Hlth Care Syst, Dermatol Serv, Palo Alto, CA USA
[4] Harvard Med Sch, Massachusetts Gen Hosp, Dept Dermatol, Boston, MA 02115 USA
[5] Boston Childrens Hosp, Boston, MA 02115 USA
[6] Harvard TH Chan Sch Publ Hlth, Dept Social & Behav Sci, Boston, MA USA