Affiliation: | 1 Dartmouth Hitchcock Medical Center, Lebanon, NH;2 Dartmouth Hitchcock Medical Center, Lebanon, NH;3 Dartmouth Hitchcock Medical Center, Lebanon, NH;4 Fletcher Allen Health Care, Burlington, Vt;5 Maine Medical Center, Portland, Me;6 UMass Memorial Medical Center, Worcester, Mass;7 Eastern Maine Medical Center, Bangor, Me |