1. University of Cincinnati, School of Human Services PO Box 210068 Cincinnati OH 45221‐0068
2. Department of Kinesiology California State University Stanislaus, One University Circle Turlock CA 95382
3. School of Public Health, Texas A&M University 212 Adriance Lab Road College Station TX 77843
4. Cincinnati Children's Hospital Medical Center, Division of Emergency Medicine College of Medicine, University of Cincinnati 3333 Burnet Avenue, MLC 2008, 3333 Burnet Avenue Cincinnati OH 45229