1 From the University of Maryland School of Medicine (J.J.D.); John Hopkins Hospital (E.R.H.); and University of Maryland Medical Center (R.S.) Baltimore, Maryland; Marshfield Clinic (D.C.C.), Marshfield, Wisconsin; University of Texas Medical School at Houston (G.H.T.), Houston, Texas; Vanderbilt University Medical Center (M.O., R.J.), Nashville; University of Tennessee Knoxville (L.M.S.), Knoxville; University of Tennessee Medical Center (M.A.C.), Memphis, Tennessee; University of Florida (A.J.K.), Jacksonville; and Holmes Regional Medical Center (P.A.P.), Melbourne, Florida; Virginia Tech Carilion School of Medicine (B.R.C.), Roanoke, Virginia; School of Medicine and Dentistry (A.T.S.), University of Rochester Medical Center, Rochester, New York; MethoHealth Medical Center (J.J.C.), Cleveland, Ohio; Cook County Hospital (F.B.), Chicago, Illinois; Baystate Medical Center (E.S.W.), Springfield, Massachusetts; Morristown Memorial Hospital (J.W.B.), Morristown, New Jersey; University of Kentucky Medical Center (C.L.T.), Lexington, Kentucky; and McGill University Health Centre (K.A.K.), Montreal, Quebec, Canada.