1. Department of Dermatology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
2. Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
3. Department of Cardiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
4. Master degree program in Aging and Long-Term Care, College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
5. Department of Public Health, College of Medicine, National Cheng-Kung University, Tainan, Taiwan