1. School of Nursing, Chang Gung University of Science and Technology, Taoyuan City, Taiwan (R.O.C.)
2. Geriatric and Long-term Care Research Center, Chang Gung University of Science and Technology, Taoyuan City, Taiwan (R.O.C.)
3. Department of Nursing, Chang Gung Memorial Hospital, Taoyuan City, Taiwan (R.O.C.)
4. Department of Physical Therapy, Chang Gung Memorial Hospital, Taoyuan City, Taiwan (R.O.C.)
5. Biostatistics Consulting Center and Department of Public Health, College of Medicine, Chang Gung University, Taoyuan City, Taiwan (R.O.C.)
6. Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chiayi, Taiwan (R.O.C.)
7. Department of Public Health and Biostatistics Consulting Center, School of Medicine, Chang Gung University, Taoyuan, Taiwan (R.O.C)
8. Chang Gung Medical Education Research Centre, Chang Gung Memorial Hospital, Taoyuan City, Taiwan (R.O.C.)
9. Graduate Institution of Rehabilitation, School of Physical Therapy, College of Medicine, Chang Gung University, Taoyuan, Taiwan (R.O.C.)