1 Department of Internal Medicine, Kaohsiung Veterans General Hospital, Tainan Branch, Tainan City, Taiwan.
2 National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Tainan City, Taiwan; Division of Infectious Diseases, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan.
3 Department of Internal Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City, Taiwan; School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.
4 School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan; Division of Critical Care Medicine, Department of Emergency and Critical Care Medicine, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City, Taiwan. Electronic address: medrpeterliu@gmail.com.