[1] George Washington Univ, Sch Med & Hlth Sci, Dept Dermatol, Washington, DC USA
[2] Robert & Anne Lurie Childrens Hosp, Dept Allergy & Immunol, Chicago, IL USA
[3] Northwestern Univ, Feinberg Sch Med, Dept Neurol, Chicago, IL USA
[4] Natl Jewish Hosp, Dept Pediat, Denver, CO USA
[5] Robert & Anne Lurie Childrens Hosp, Dept Sleep Med, Chicago, IL USA
[6] Ann & Robert H Lurie Childrens Hosp Chicago, Sleep Med Ctr, Chicago, IL USA
[7] Univ Miami, Miller Sch Med, Dept Dermatol, Miami, FL USA
[8] George Washington Univ, Sch Med & Hlth Sci, Dept Dermatol, Washington, DC USA
[9] George Washington Univ, Sch Med & Hlth Sci, Dept Dermatol, Suite 2B-430,2150 Penn Ave NW, Washington, DC 20037 USA