1. Physical Activity and Exercise Physiology Unit, Department of Physiology, Faculty of Medicine, Kuwait University,
2. UKK Institute for Health Promotion Research, Tampere, Finland
3. Director, CDC/WHO Collaborating Center for Physical Activity and Health, Physical Activity and Health Branch, Division of Nutrition, Physical Activity and Obesity, Centers for Disease Control and Prevention, Atlanta, Georgia USA
4. Physical Activity and Health Branch, Division of Nutrition, Physical Activity and Obesity, Centers for Disease Control and Prevention, Atlanta, Georgia USA
5. CDC/WHO Collaborating Center for Physical Activity and Health, Physical Activity and Health Branch, Division of Nutrition, Physical Activity and Obesity, Centers for Disease Control and Prevention, Atlanta, Georgia USA