[1] Eastern Virginia Med Sch, 825 Fairfax Ave, Norfolk, VA 23507 USA
[2] Massachusetts Gen Hosp, Dept Dermatol, 50 Staniford St,Suite 200, Boston, MA 02114 USA
[3] Univ Arizona, Med Dermatol Specialists, Dermatol, 1331 N 7th Suite 250, Phoenix, AZ 85006 USA