1. Department of Dermatology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
2. Department of Otorhinolaryngology, University Medical Center Ho Chi Minh City, Ho Chi Minh City, Vietnam
3. Department of Physiology, Pathophysiology & Immunology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
4. Allergy & Clinical Immunology Unit, University Medical Center Ho Chi Minh City, Ho Chi Minh City, Vietnam