1. From the Department of Pediatrics, Cincinnati Children’s Hospital Medical Center (J.N.E., J.P., L.T., J.O.S.), and the University of Cincinnati College of Medicine (J.N.E., J.P., L.T.) — both in Cincinnati; the Department of Psychology, Saint Louis University, St. Louis (A.A.G.); the Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill (A.W.K., R.P.M.); and the Department of Mechanical and Industrial Engineering, University of Massachusetts, Amherst, and...