The SRTR is administered by the Chronic Disease Research Group (CDRG) of the Hennepin Healthcare Research Institute (HHRI). CDRG investigators and staff together with SRTR senior staff from around the country have substantial experience working on large epidemiologic projects such as SRTR, and have published research reports in peer-reviewed journals covering such topics as transplant patient mortality, morbidity, and quality of life; allocation of organs and organ transplant waiting lists; and patient survival and other outcomes after transplant.