(1) Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia., Indonesia,
(2) Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Airlangga/Dr. Soetomo General Academic Hospital, Surabaya, Indonesia., Indonesia,
(3) The European Academy of Allergy and Clinical Immunology (EAACI), Zurich, Switzerland., Indonesia,
(4) The Indonesian Otorhinolaryngology-Head Neck Surgeon Association (PERHATI-KL), North East Java Chapter, Surabaya, Indonesia., Indonesia