[1] Northwestern Univ, Feinberg Sch Med, Dept Dermatol, Chicago, IL 60611 USA
[2] Northwestern Univ, Feinberg Sch Med, Dept Prevent Med, Chicago, IL 60611 USA
[3] Northwestern Univ, Feinberg Sch Med, Dept Med Social Sci, Chicago, IL 60611 USA
[4] Northwestern Med Multidisciplinary Eczema Ctr, Chicago, IL USA