1. Faculty of Biology, Jenderal Soedirman University, Purwokerto, Indonesia
2. Eijkman Institute for Molecular Biology, Jakarta, Indonesia
3. Department of Otorhinolaryngology, Head and Neck Surgery, Faculty of Medicine, Jenderal Soedirman University, Purwokerto, Indonesia
4. Department of Public Health, Faculty of Health Sciences, Jenderal Soedirman University, Purwokerto, Indonesia
5. Faculty of Medicine, Jenderal Soedirman University, Purwokerto, Indonesia