1. Department of Gerontology, University of Massachusetts Boston, Boston, MA 02125, USA
2. Department of Physical Education, Fu Jen Catholic University, New Taipei City 24205, Taiwan
3. Research and Development Center for Physical Education, Health and Information Technology, College of Education, Fu Jen Catholic University, New Taipei City 24205, Taiwan
4. Sports Medicine Center, Fu Jen Catholic Hospital, New Taipei City 243, Taiwan
5. Department of Leisure Industry and Health Promotion, National Ilan University, Yilan County 260, Taiwan
6. College of Humanities and Management, National Ilan University, Yilan County 260, Taiwan
7. Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei City 106, Taiwan
8. Department of Sport Management, National Taiwan University of Sport, Taichung City 404, Taiwan
9. Sports Administration, Ministry of Education, Taipei City 104, Taiwan
10. Graduate Institute of Sports Training, University of Taipei, Taipei City 111, Taiwan
11. Department of Health and Leisure Management, Yuanpei University of Medical Technology, Hsinchu City 306, Taiwan