1. Tianjin Medical University, Tianjin, China
2. Research Group Healthy Aging, Allied Health Care and Nursing, Hanze University of Applied Sciences, Groningen, The Netherlands
3. Department of Rehabilitation Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
4. Department of Health Psychology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
5. Tianjin University of Traditional Chinese Medicine, Tianjin, China
6. Department of General Practice and Elderly Care Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands