[1] Northwestern Univ, Feinberg Sch Med, Chicago, IL USA
[2] Ann & Robert H Lurie Childrens Hosp, Chicago, IL USA
[3] Oregon Hlth & Sci Univ, Portland, OR USA
[4] St Louis Univ, St Louis, MO USA
[5] Cardinal Glennon Childrens Hosp, St Louis, MO USA
[6] Univ Sheffield, Sheffield Dermatol Res, Sheffield, England
[7] Sheffield Childrens Hosp, Sheffield, England
[8] Univ Manchester, Manchester, England
[9] Univ Hosp Frankfurt Main, Frankfurt, Germany
[10] Sanofi, Chilly Mazarin, France
[11] Sanofi, Cambridge, MA USA
[12] Regeneron Pharmaceut Inc, Tarrytown, NY USA
[13] Regeneron Pharmaceut Inc, Los Angeles, CA USA