1. Sumba Foundation, Sumba, Indonesia;
2. Department of Dermatology and Venereology, Siloam Hospital, Kupang, Indonesia;
3. Oxford University Clinical Research Unit Indonesia, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia;
4. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, United Kingdom;
5. Department of Dermatology and Venereology, Gadjah Mada University, Yogyakarta, Indonesia