1. Undergraduate Training Office, University of Medicine and Pharmacy, Hue University, Hue City, Vietnam
2. Faculty of Public Health, University of Medicine and Pharmacy, Hue University, Hue City, Vietnam
3. Department of Gastroenterology and Hepatology, Nghe An Oncology Hospital, Nghe An, Vietnam
4. Department of Pediatrics, University of Medicine and Pharmacy, Hue University, Hue City, Vietnam
5. Student’s Affairs Office, University of Medicine and Pharmacy, Hue University, Hue City, Vietnam