1. Infectious Diseases Department, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
2. Outpatient Department, University Medical Center, Ho Chi Minh City, Vietnam
3. Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
4. Online Research Club, Nagasaki, Japan
5. Medical School University of Buckingham Buckingham UK
6. Lower Westchester Medical Associate P.C. Mount Vernon New York USA
7. Imaging Diagnostic Department University of Medicine and Pharmacy at Ho Chi Minh City Ho Chi Minh City Vietnam
8. Health Screening Department University Medical Center Ho Chi Minh City Vietnam
9. School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan