National Taiwan University Hospital Hsin-Chu Branch - Department of Internal Medicine, Far Eastern Memorial Hospital, National Taiwan University - Department of Internal Medicine, Chang Gung University - Department of Internal Medicine, Kaohsiung Medical University - Department of Internal Medicine, Chi Mei Medical Center - Department of Internal Medicine, Changhua Christian Hospital, Chung Shan Medical University - Chung Shan Medical University Hospital, National Cheng Kung University - National Cheng Kung University Hospital, National Cheng Kung University - National Cheng Kung University Hospital, Hsinchu MacKay Memorial Hospital - Department of Internal Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Taipei Medical University - Shuang Ho Hospital, Buddhist Tzu Chi Medical Foundation - Department of Internal Medicine, National Defense Medical Center - Tri-Service General Hospital, National Taiwan University - Department of Internal Medicine, Fu Jen Catholic University - Fu Jen Catholic University Hospital, Taipei Medical University - School of Public Health and National Taiwan University Hospital (Yunlin Branch)