1. Institute for Exercise and Environmental Medicine, Texas Health Presbyterian Hospital Dallas (M.B.B., J.-K.Y., S.L.H., Q.F.).
2. University of Texas Southwestern Medical Center, Dallas (M.B.B., J.-K.Y., S.L.H., D.B.N., Q.F.).
3. Department of Medicine, Toronto General Health Research Institute, University Health Network, Canada (M.B.B.).
4. School of Kinesiology (A.W.D., J.K.S.), University of Western Ontario, London, Canada.
5. Department of Physiology and Pharmacology (J.K.S.), University of Western Ontario, London, Canada.