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ThORN Thoracic Surgery Outcomes Research Network Mission Statement The mission of the Thoracic Surgery Outcomes Research Network ThORN is to increase evidence based understanding advances and education in health servicesoutcomes research within the general thoracic surgery specialty by a multiinstitutional cooperative of faculty trainees and other stakeholders. Executive Commitee Members Participating Institutions Canada California Colorado Connecticut Illinois Maryland Massachusetts Missouri New Hampshire New York Ohio Tennessee Texas Utah Washington Files . .