1 Feinberg School of Medicine, Northwestern University, Chicago, Ill.
2 Feinberg School of Medicine, Northwestern University, Chicago, Ill; Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Ill.
3 Feinberg School of Medicine, Northwestern University, Chicago, Ill; Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Ill. Electronic address: cuong.nguyen@northwestern.edu.