radiation epidemiology cohort Department of Prevention and Evaluation The Department of Prevention and Evaluation at BIPS (Leibniz Institute for Prevention Research and Epidemiology) in Bremen conducts epidemiological research on cancer prevention and environmental risk factors including ionising radiation. It maintains cohort and registry data relevant to radiation epidemiology and is available for collaborative research proposals. Located at Leibniz Institute for Prevention Research and Epidemiology - BIPS. Paul Schofield http://www.bips-institut.de/en