1. Department of Dermatology, University of Iowa, Iowa City, Iowa
2. Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
3. Children’s Foundation, Baylor College of Medicine, Lilongwe, Malawi
4. Division of Hematology and Oncology, Department of Pediatrics, Baylor International Pediatric AIDS Initiative, Baylor College of Medicine, Lilongwe, Malawi