1. Exercise; Health, and Technology Center, Shanghai Jiao Tong University; Shanghai China
2. Faculty of Sport Sciences; University of Jyväskylä; Jyväskylä Finland
3. Center for Life Course Health Research and Biocenter Oulu; University of Oulu; Oulu Finland
4. Department of Epidemiology and Biostatistics; School of Public Health, Imperial College London; London UK
5. The Key Laboratory of Systems Biomedicine; Ministry of Education, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University; Shanghai China
6. Department of Medical Rehabilitation; Oulu University Hospital; Oulu Finland