Abdullah, B., Department of Otorhinolaryngology - Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia; Snidvongs, K., Endoscopic Nasal and Sinus Surgery Excellence Center Chulalongkorn Hospital, Department of Otolaryngology, Faculty of Medicine, Chulalongkorn University, Thailand; Recto, M., Adult and Pediatric Division of Allergy and Immunology, University of the Philippines, Philippine General Hospital, Manila, Philippines; Poerbonegoro, N.L., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Wang, D.Y., Department of Otolaryngology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore