1. a Department of Physiology, Texas College of Osteopathic Medicine, 3500 Camp Bowie at Montgomery, Fort Worth, TX 76107
2. b University of Wisconsin, Sport Psychology Laboratory, 2000 Observatory Dr., Madison, WI 53706
3. c Southwest Texas State University, Department of Allied Health Sciences, San Marcos, TX 78666
4. d Department of Internal Medicine, Texas College of Osteopathic Medicine
5. e North Texas State University, Division of Physical Education, Denton, TX 76203