1. Intermountain Healthcare Department of Population Health Sciences, Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City (J.B.K., C.G.D., J.A.J., M.B.C., A.P.B.).
2. Institute for Health Research, Kaiser Permanente Colorado, Aurora (J.B.K.).
3. Department of Internal Medicine, Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City (J.S.H., A.R.Z., M.B.C.).
4. Department of Preventative Medicine, University of Tennessee Health Science Center, Memphis, TN (W.C.C.).