[1] Univ Calif San Diego, San Diego, CA USA
[2] Radys Childrens Hosp San Diego, San Diego, CA USA
[3] Kings Coll London, Guys & St ThomasNHS Fdn Trust, St Johns Inst Dermatol, Unit Populat Based Dermatol Res, London, England
[4] Med Univ Vienna, Vienna, Austria
[5] Univ Dublin, St James Hosp, Trinity Coll Dublin, Dublin, Ireland
[6] Univ Hosp Schleswig Holstein, Kiel, Germany
[7] Pfizer Ltd, Tadworth, Surrey, England
[8] Pfizer Inc, Vienna, Austria
[9] Pfizer Inc, Groton, CT USA