Using electronic health records for clinical research: the case of the EHR4CR project - De Moor, G; Sundgren, M; Kalra, D; Schmidt, A; Dugas, M; Claerhout, B; Karakoyun, T; Ohmann, C; Lastic, PY; Ammour, N; Kush, R; Dupont, D; Cuggia, M; Daniel, C; Thienpont, G; Coorevits, P (J Biomed Inform, 2015)