Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung, Taiwan
National Taiwan University Hospital, Taipei, Taiwan
Chang Gung Memorial Hospital, Kaohsiung, Kaohsiung, Taiwan
National Cheng Kung University Hospital, Tainan, Taiwan
Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
China Medical University Hospital, Taichung, Taiwan