Affiliation: | 1. Department of Family Medicine, China Medical University Hospital, , Taichung, Taiwan;2. School of Medicine, China Medical University, , Taichung, Taiwan;3. PhD Program on Aging, China Medical University, , Taichung, Taiwan;4. Department of Internal Medicine, University of Utah, , Salt Lake City, Utah;5. Department of Medical Research, China Medical University Hospital, , Taichung, Taiwan;6. Graduate Institute of Biostatistics, China Medical University, , Taichung, Taiwan |