1. Department of Family Medicine, Kaohsiung Veterans General
Hospital, and Shu-Zen College of Medicine and Management, Taiwan
2. Department of Nursing, Chang Jung Christian University,
Tainan, Taiwan
3. Graduate Institute of Oral Health Science and Biostatistic
Center, Kaohsiung Medical University, Taiwan
4. Department of Nursing, Chang Jung Christian University,
Tainan, Taiwan,