1 School of Kinesiology, University of Minnesota, Minneapolis, MN 55455, USA; Department of Kinesiology, Recreation, and Sport Studies, The University of Tennessee, Knoxville, TN 37996, USA. Electronic address: zan@utk.edu.
2 Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON M5S 2W6, Canada. Electronic address: linda.trinh@utoronto.ca.