1. Department of Kinesiology, College of Education, National Tsing Hua University, Hsinchu, Taiwan
2. Bass Center for Leadership Studies and School of Management, Binghamton University, State University of New York, Binghamton, New York, USA
3. School of Kinesiology and Health Sciences, Laurentian University, Sudbury, ON, Canada
4. Department of Educational Psychology and Counseling, College of Education, Natioanl Tsing Hua University, Hsinchu, Taiwan