1. National Skin Centre, Singapore 308205, Singapore.
2. Departments of Dermatology and Pediatrics, University of Texas-Houston Medical School, Houston, TX 77030, USA.
3. Department of Dermatology, College of Medicine and Surgery, University of Santo Tomas, Manila, the Philippines.
4. Division of Paediatric Allergy, Immunology and Rheumatology, Khoo Teck Puat-National University Children's Medical Institute, Singapore 119228, Singapore.
5. Section of Allergy and Immunology, Department of Pediatrics, University of the Philippines, Manila, the Philippines.
6. Department of Dermatology, Seoul National University Hospital, Seoul 03080, Korea.
7. Department of Dermatology Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia.
8. Department of Allergy and Immunology, Department of Child Health, Medical Faculty, University of Indonesia, Jakarta, Indonesia.
9. Faculty of Medicine, Padjadjaran University/Division of Paediatric Dermatology, Hospital Dr. Hasan Sadikin, Bandung, Indonesia.
10. Department of Pediatrics and Adolescent Medicine, United Christian Hospital, Kwun Tong, Hong Kong.