1. Center for Cardiovascular and Respiratory Sciences and Division of Exercise Physiology, West Virginia University School of Medicine, Morgantown, West Virginia;
2. Institute of Anatomy, University of Bern, Bern, Switzerland;
3. Integrative Physiology Group, Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark; and
4. School of Biomedical Sciences, University of Leeds, Leeds, United Kingdom