1 Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
2 Department of Dermatology, Dow University of Health Sciences, Karachi, Pakistan.
3 Department of Dermatology, University of Illinois at Chicago, Chicago, Illinois.
4 Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois; Department of Otolaryngology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois; Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois. Electronic address: [email protected].