1. Tribhuvan University, Institute of Medicine, Maharajgunj 44600, Nepal
2. Central Department of Public Health, Maharajgunj 44600, Nepal
3. Nepal Health Frontiers, Kathmandu, Nepal
4. Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA
5. KIST Medical College and Teaching Hospital, Imadole, Lalitpur, Nepal
6. Birat Medical College and Teaching Hospital, Biratnagar, Nepal