1. Graduate Institute of Radiological Science, Central Taiwan University of Science and Technology, Takun, Taichung, Taiwan
2. Department of Cardiology, Taichung Armed Forces General Hospital, Taichung, Taiwan
3. Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
4. Department of Psychiatry, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
5. Division of Cardiology, Yuan Rung Hospital, Yuanlin, Changhua, Taiwan