[1] Harvard Med Sch, Massachusetts Gen Hosp, Dept Dermatol, Boston, MA 02114 USA
[2] Mt Sinai Hosp, Icahn Sch Med, New York, NY USA
[3] Massachusetts Gen Hosp, Mongan Inst, Med Practice Evaluat Ctr, Boston, MA USA
[4] George Washington Univ, Sch Med, Washington, DC USA
[5] Virginia Commonwealth Univ, Sch Med, Richmond, VA USA
[6] Univ Penn Hosp, Dept Dermatol, Philadelphia, PA USA
[7] Henry Ford Hlth Syst, Dept Dermatol, Detroit, MI USA
[8] Univ Calif San Francisco, Dept Dermatol, San Francisco, CA USA
[9] St Louis Univ, Dept Dermatol, St Louis, MO USA
[10] Univ Hosp, Munich Univ Ludwig Maximilian, Dept Dermatol, Munich, Germany
[11] Univ Miami, Miller Sch Med, Dr Philip Frost Dept Dermatol & Cutaneous Surg, Miami, FL USA
[12] Harvard Med Sch, Massachusetts Gen Hosp, 55 Fruit St,Bartlett Hall 6R, Boston, MA 02114 USA