[1] Northwestern Univ, Feinberg Sch Med, Dept Dermatol, Chicago, IL 60611 USA
[2] Northwestern Univ, Feinberg Sch Med, Dept Otolaryngol, Chicago, IL 60611 USA
[3] Northwestern Univ, Feinberg Sch Med, Dept Surg, Chicago, IL 60611 USA
[4] Northwestern Univ, Robert H Lurie Comprehens Canc Ctr, Chicago, IL 60611 USA
[5] Surg Dermatol & Laser Ctr, Las Vegas, NV USA
[6] John H Stroger Jr Hosp, Dept Dermatol, Chicago, IL USA
[7] DuPage Med Grp, Naperville, IL USA
[8] Loyola Univ, Stritch Sch Med, Div Dermatol, Maywood, IL 60153 USA