| Affiliation: | 1. Health care and Diagnostic Division, Department of Medical Services, Ministry of Health, Thimphu, Bhutan;2. Harvard Medical School, Gastroenterology Associates Massachusetts General Hospital, Boston, MA, USA;3. Royal Institute of Health Sciences, Thimphu, Bhutan;4. Sherbutse College, Kanglung, Royal University, Thimphu, Bhutan;5. Microbiology unit, Department of Laboratory Medicine, Jigme Dorji Wangchuck National Referral Hospital, Thimphu, Bhutan;6. Department of Medicine, Baylor College of Medicine, Houston, TX, USA |
