Before revision: From 1972 to 1977, the North Karelia Project was started involving the National Board of Health , the Office of the North Karelia County Physician, the Finnish Heart Association,North Karelia Central Hospital, and the Martha Organization.
After revision: From 1972 to 1977, the North Karelia Project was started involving the National Public Health Institute of Finland , the Office of the North Karelia County Physician, the Finnish Heart Association,North Karelia Central Hospital, and the Martha Organization.