[1] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
[2] Botswana UPenn Partnership, Hlth Informat & Telemed, Gaborone, Botswana
[3] Univ Penn, Dept Dermatol, Perelman Sch Med, Philadelphia, PA 19104 USA
[4] Botswana Minist Hlth, Dept Clin Serv, Gaborone, Botswana
[5] Princess Marina Hosp, Dept Dermatol, Gaborone, Botswana
[6] Princess Marina Hosp, Dept Oral Med, Gaborone, Botswana