Avera Health, Sioux Falls, S.D. (www.avera.org)

CareGroup Healthcare System, Boston (www.home.caregroup.org)

Carilion Health System, Roanoke, Va. (www.carilion.com)

Covenant Health, Knoxville, Tenn. (www.covenanthealth.com)

Dartmouth-Hitchcock Medical Center, Lebanon, N.H. (www.dhmc.org)

Deaconess Medical Center, Spokane, Wash. (www.deaconess-spokane.org)

Greenville Hospital System, Greenville, S.C. (www.ghs.org)

Holy Family Hospital, Spokane, Wash. (www.holy-family.org)

Kootenai Medical Center, Coeur d'Alene, Idaho (www.kmc.org)

Lehigh Valley Hospital & Health Network, Allentown, Pa. (www.lvhhn.org)

Lifespan, Providence, R.I. (www.lifespan.org)

Maimonides Medical Center, Brooklyn, N.Y. (www.maimonidesmed.org)

Memorial Health, Savannah, Ga. (www.memorialhealth.com)

North Mississippi Health Services, Tupelo, Miss. (www.nmhs.net)

Ochsner Clinic Foundation, New Orleans (www.ochsner.org)

Pinnacle Health System, Harrisburg, Pa. (www.pinnaclehealth.org)

Poudre Valley Health System, Fort Collins, Colo. (www.pvhs.org)

Rush-Copley Medical Center, Aurora, Ill. (www.rushcopley.com)

Sacred Heart Medical Center, Spokane, Wash. (www.shmc.org)

St. Agnes HealthCare, Baltimore (www.stagnes.org)

St. Luke's Rehabilitation Institute, Spokane, Wash. (www.stlukesrehab.org)

VA Illiana Health Care System, Danville, Ill. (www.va.gov)

Valley Hospital and Medical Center, Spokane, Wash. (www.valleyhospital.org)

Wake Forest Univ. Baptist Medical Center, Winston-Salem, N.C. (www.wfubmc.edu)

Wentworth-Douglass Hospital, Dover, N.H. (www.wdhospital.com)