Institution: | 1. Maine Medical Center, Portland, Maine;2. Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire;3. University of Vermont Medical Center, Burlington, Vermont;4. Eastern Maine Medical Center, Bangor, Maine;5. New England Heart and Vascular Institute, Catholic Medical School, Manchester, New Hampshire;6. Department of Surgery, Section of Cardiac Surgery, Concord Hospital, Concord, New Hampshire |