1. Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 123, Ta Pei Road, Niao Sung District, Kaohsiung City, Taiwan
2. Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taiwan
3. Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
4. Emergency Department, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan