1. Division of Dermatology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand;
2. Center of Excellence in Vector Biology and Vector-Borne Disease, Department of Parasitology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand;
3. Division of Dermatology, Chiangrai Prachanukroh Hospital, Chiang Rai, Thailand