1. Department of Computer Science and Information Engineering, National Taipei University, New Taipei City, Taiwan
2. School of Mechanical and Electrical Engneering, Wuyi University, Wuyishan City, Fujian, China
3. School of Biomedical Engineering, College of Biomedical Engineering, and the School of Gerontology and Long-Term Care, College of Nursing, Taipei Medical University, Taipei, Taiwan
4. Nuvoton Technology Corporation, Hsinchu, Taiwan
5. International Ph.D. Program in Gerontology and Long-Term Care, College of Nursing, and the Center for Nursing and Healthcare Research in Clinical Practice Application, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
6. Institute of Imaging andBiomedical Photonics, National YangMing Chiao Tung University, Tainan, Taiwan