1. Department of Public Health, Nobel College, Kathmandu 44600, Nepal
2. KIST Medical College and Teaching Hospital, Lalitpur 44700, Nepal
3. School of Human and Health Sciences, University of Huddersfield, Huddersfield HD1 3DH, UK
4. College of Pharmacy, Idaho State University, Pocatello, ID 83209, USA
5. School of Human Sciences, University of Greenwich, London SE10 9LS, UK