European Prospective Investigation into Cancer and Nutrition (APIC) calibration study:rationale, design and population characteristics

Slimani, N.; Kaaks, R.; Ferrari, P.; Casagrande, C.; Clavel-Chapelon, F.; Lotze, G.; Kroke, A.; Trichopoulos, D.; Trichopoulou, A.; Lauria, C.; Bellegotti, M.; Ocke, M.C.; Peeters, P.H.M.; Engeset, D.; Lund, E.; Agudo, A; Larranaga, N.; Mattisson, I.; Andren, C; Johansson, I.; Davey, G.; Welch, A.A.; Overvad, K.; Tjonneland, A.; van Staveren, W.A.; Saracci, R.; Riboli, E.