Affiliation: | 1. Dermatology Division, Pediatric Department, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand;2. Pathology Department, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand;3. Hematology Division, Pediatric Department, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand |