Coffee consumed at lunch time is inversely associated with the risk of type 2 diabetes in a french cohort of 69,532 women: the E3N/epic cohort study - Sartorelli, Daniela Saes; Fagherazzi, G.; Balkau, B.; Touillaud, M.; Ruault, M. C. Boutron; Guillain, B. Lauzon; Chapelon, F. Clavel (Symposium of the International Diabetes Epidemiology Group, 2009)