1 Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, Iowa
2 Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa
3 Institute of Sport Sciences and Department of Physiology, University of Lausanne, Switzerland
4 Department of Health and Kinesiology, Purdue University, West Lafayette, Indiana
5 Department of Internal Medicine, University of Utah, Salt Lake City, Utah
6 Geriatric Research, Education, and Clinical Center, Salt Lake City VAMC, Salt Lake City, Utah
7 Department of Kinesiology, Kansas State University, Manhattan, Kansas
8 Department of Anatomy and Physiology, Kansas State University, Manhattan, Kansas
9 Department of Kinesiology, University of Texas at Arlington, Texas
10 Department of Bioengineering, University of Texas at Arlington, Texas
11 Molecular Medicine Branch, NIDDK National Institutes of Health, Bethesda, Maryland
12 University of Arizona, Tucson, Arizona
13 Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio
14 Interdisciplinary Biophysics Graduate Program, The Ohio State University, Columbus, Ohio
15 Department of Biology, University of Maine, Presque Isle, Maine
16 Institute of Physiology, Center for Space Medicine and Extreme Environments, Charité - Universitätsmedizin Berlin, Germany
17 Department of Biology. Universidad Nacional de Colombia. Bogotá, Colombia