1. Dept of Kinesiology,University of San Francisco, San Francisco, California, USA
2. Department of Kinesiology & Dance,New Mexico State University, Las Cruces, New Mexico, USA
3. Dept of Kinesiology,Michigan State University, East Lansing, Michigan, USA
4. Dept of Mathematics and Statistics,University of San Francisco, San Francisco, California, USA
5. Dept of Kinesiology,Boise State University, Boise, Idaho, USA
6. Dept of Kinesiology,Saginaw Valley State University, University Center, Michigan, USA
7. Dept of Health and Exercise Science,Appalachian State University, Boone, North Carolina, USA