John M Porter1,2,3,4,5,6,7, Bruce S Cutler1,2,3,4,5,6,7, Bok Y Lee1,2,3,4,5,6,7, Theobald Reich1,2,3,4,5,6,7, Frederick A Reichle1,2,3,4,5,6,7, John T Scogin1,2,3,4,5,6,7, D.Eugene Strandness1,2,3,4,5,6,7
1University of Oregon Health Sciences Center Portland, Ore., USA
2Department of Surgery, University of Massachusetts Medical Center Worcester, Mass., USA
3Castle Point Veterans Administration Hospital Castle Point, USA
4New York University Medical Center New York City, N.Y., USA
5Temple University Medical School, Philadelphia, Pa. USA
6Jacksonville Travis Clinical Association Jacksonville, Texas, USA
7Seattle Veterans Administration Medical Center Seattle, Wash., USA