1. Department of Anesthesia and Critical Care Karnali Academy of Health Sciences Jumla Nepal
2. Nepalese Army Institute of Health Sciences Kathmandu Nepal
3. Department of Otorhinolaryngology Karnali Academy of Health Sciences Jumla Nepal
4. Department of Dermatology Karnali Academy of Health Sciences Jumla Nepal
5. Department of Internal Medicine Mount Sinai Hospital Chicago Illinois USA