1. Department of Ophthalmology, King Chulalongkorn Memorial Hospital, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
2. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
3. Institute of Dermatology, Department of Medical Services, Ministry of Public Health, Bangkok, Thailand
4. Department of Dermatology, Siriraj Hospital, Faculty of Medicine, Mahidol University, Bangkok, Thailand