1. Department of Internal Medicine, M Abdur Rahim Medical College, Dinajpur, Bangladesh
2. Maharajgunj Medical Campus, Institute of Medicine, Kathmandu, Nepal
3. Department of Anesthesiology, Tribhuvan University Teaching Hospital, Kathmandu, Nepal
4. Department of Internal Medicine, KIST Medical College, Imadol, Nepal
5. Faculty of Medicine, Universitas Prima Indonesia, Medan, Indonesia