[1] Northwestern Univ, Feinberg Sch Med, Chicago, IL 60611 USA
[2] St Louis Univ, St Louis, MO 63103 USA
[3] Cardinal Glennon Childrens Hosp, St Louis, MO USA
[4] Univ Miami, Miller Sch Med, Miami, FL 33136 USA
[5] George Washington Univ, Sch Med & Hlth Sci, Washington, DC 20052 USA
[6] Dermatol Res & Educ Fdn, Irvine, CA USA
[7] Regeneron Pharmaceut Inc, 777 Old Saw Mill River Rd, Tarrytown, NY 10591 USA
[8] Sanofi Genzyme, Cambridge, MA USA