1. Department of Microbiology, Tribhuvan University and Teaching Hospital (TUTH), Institute of Medicine, Kathmandu, Nepal
2. Department of Microbiology, Patan Academy of Health Sciences (PAHS), Lalitpur, Nepal
3. Department of Otorhinolaryngology-Head and Neck Surgery (ENT-HNS), Tribhuvan University and Teaching Hospital (TUTH), Institute of Medicine, Kathmandu, Nepal
4. Medical Microbiology Program, Nobel College, Pokhara University, Sinamangal, Kathmandu, Nepal