Division of Gastroenterology and Hepatology Department of Internal Medicine Kaohsiung Veterans General Hospital Kaohsiung 813 TaiwanDivision of Gastroenterology and Hepatology Department of Internal Medicine Antai Medical Care Corporation Antai Tian-Sheng Memorial Hospital Pingtung County 928 TaiwanDepartment of Nursing Meiho University Pingtung County 928 Taiwan;
Division of Gastroenterology and Hepatology Department of Internal Medicine Kaohsiung Veterans General Hospital Kaohsiung 813 TaiwanFaculty of Medicine School of Medicine National Yang Ming Chiao Tung University Taipei 112 TaiwanInstitute of Biomedical Sciences College of Science National Sun Yat-sen University Kaohsiung 8424 Taiwan;
Hepatitis B virus; Reactivation; Chemotherapy; Immunosuppression; Prevention;