[1] Wake Forest Univ, Bowman Gray Sch Med, Dept Dermatol, Bristol Myers Squibb Ctr Dermatol Res, Winston Salem, NC 27157 USA
[2] Wake Forest Univ, Sch Med, Dept Publ Hlth Sci, Winston Salem, NC 27109 USA
[3] Wake Forest Univ, Sch Med, Dept Otolaryngol, Winston Salem, NC 27109 USA