Affiliation: | 1. Department of Dermatology, Southern Philippines Medical Center, Davao City, Philippines;2. Department of Dermatology, Rizal Medical Center, Pasig, Philippines;3. Department of Dermatology, Research Institute for Tropical Medicine, Muntinlupa, Philippines;4. Department of Mathematics and Statistics, University of Southeastern Philippines, Davao City, Philippines;5. Novartis Healthcare Philippines, Inc., Makati, Philippines |