Affiliation: | 1. Department of Surgery, College of Physicians & Surgeons, Columbia University, 630W 168th St., New York, NY 10032, USA;2. Department of Dermatology and Pediatrics, College of Physicians & Surgeons, Columbia University, 630W 168th St., New York, NY 10032, USA;1. Frenchay Hospital, Bristol, UK;2. Project Harar Ethiopia Charity, London, UK;3. Yekatit 12 Hospital, Addis Ababa, Ethiopia;4. ALERT Centre, Addis Ababa, Ethiopia;5. Guy''s and St Thomas'' Hospital, London, UK |