1. * Division of Athletic Training, School of Medicine, West Virginia University, Morgantown
2. † Waseda University, Tokorozawa, Saitama, Japan
3. ‡ UW Medicine Center for Sports Cardiology, University of Washington, Seattle
4. § School of Kinesiology, Louisiana State University, Baton Rouge
5. ‖ University of Michigan Athletic Medicine, Ann Arbor
6. ¶ Lincoln Primary Care Center, Hamlin, WV
7. # Bishop Lynch High School, Dallas, TX
8. ** Sports Medicine Emergency Management, Reisterstown, MD