USA: Massachusetts

	AdCare Hospital(Worcester)
	Baystate Health Systems (Springfield)
	Berkshire Medical Center (Pittsfield)
	Beth Israel Hospital (Boston)
	Boston University Medical Center (Boston)
	Boston VA Medical Center (Boston)
	Brigham and Women's Hospital (Boston)
	Brockton Hospital (Brockton)
	The Cambridge Hospital (Cambridge)
	Childrens Hospital (Boston)
	Columbia MetroWest Medical Center (Framingham)
	Dana Farber Cancer Institute (Boston)
	Deaconess Hospital (Boston)
	Franciscan Children's Hospital(Brighton)
	The Hebrew Rehabilitation Center for Aged (Roslindale)
	Holyoke Hospital(Holyoke)
	Jewish Memorial Hospital (Boston)
	Lahey Clinic
	Lawrence Memorial Hospital (Medford)
	Lowell General Hospital (Lowell)
	Massachusetts General Hospital (Boston)
	McLean Hospital(Belmont)
	Melrose-Wakefield Hospital (Melrose)
	New England Baptist Hospital (Boston)
	New England Medical Center (Floating Hospital for Children (Boston)
	Newton-Wellesley Hospital (Newton)
	Shriver Center for Mental Retardation (Waltham)
	Spaulding Rehabilitation Hospital (Boston)
	University of Massachusetts Medical Center (Worcester)