The Thai Pediatric Gastroenterology and Immunology(TPGHAI)Research Unit University 10330;
Division of Gastroenterology of Pediatrics of Medicine Chulalongkorn Memorial Hospital University 10330;
Division of Gastroenterology of Medicine Fibrosis and Cirrhosis Research Unit of Medicine University and King Chulalongkorn Memorial Hospital Red Cross Society 10330;
Center of Excellence in Liver Diseases Chulalongkorn Memorial Hospital University 10330;
Center of Excellence in Clinical Virology of Medicine University 10330;
Viral hepatitis; CHILDREN; ADOLESCENT; Liver transplantation; Infection; ELIMINATION;