1. Department of Kinesiology, Recreation, and Sport, Indiana State University, Terre Haute, Indiana
2. Altitude Research Center, Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Denver, Colorado
3. Oregon Heart and Vascular Institute, Echocardiography, Springfield, Oregon
4. Faculty of Chemical Sciences, Meritorious Autonomous University of Puebla, Puebla, Mexico
5. Department of Chemistry, University of Guelph, Guelph, Ontario, Canada