[1] St Louis Univ, St Louis, MO USA
[2] Cardinal Glennon Childrens Hosp, St Louis, MO USA
[3] Univ Sheffield, Sheffield Dermatol Res, Sheffield, England
[4] Univ Manchester, Manchester, England
[5] Ludwig Maximilians Univ Munchen, Munich, Germany
[6] UZ Brussel, VUB, Brussels, Belgium
[7] Univ Calif San Diego, San Diego, CA USA
[8] Rady Childrens Hosp, San Diego, CA USA
[9] Alberta Childrens Prov Gen Hosp, Calgary, AB, Canada
[10] Univ Calgary, Calgary, AB, Canada
[11] Regeneron Pharmaceut Inc, Tarrytown, NY USA
[12] Sanofi, Cambridge, MA USA