Agus Siswanto * Corresponding Author Doctoral Programme of Medical Science, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta
Muhammad Juffrie Department of Pediatric, Faculty of Medicine, Public Health and Nursing/Dr.Sardjito General Hospital, Universitas Gadjah Mada, Yogyakarta
Bambang Udji Djoko Rianto Department of Otorhinolaryngology, Faculty of Medicine, Public Health and Nursing/Dr.Sardjito General Hospital, Universitas Gadjah Mada, Yogyakarta
H.A.H Asdie Department of Internal Medicine, Faculty of Medicine, Public Health and Nursing/Dr.Sardjito General Hospital, Universitas Gadjah Mada, Yogyakarta