1. Section of Cardiology, Department of Medicine, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, 289 Jiang Kuo Road, Xindian District, New Taipei City 231, Taiwan
2. Section of Cardiology, Department of Medicine, Chang Gung Memorial Hospital, 5 Fusing Street, Gueishan Township, Taoyuan County 333, Taiwan
3. Department of Ophthalmology, Chang Gung Memorial Hospital, 5 Fusing Street, Gueishan Township, Taoyuan County 333, Taiwan