Pulsars and Fast Transients with LOFAR by Stappers, B, Hessels, J, Alexov, A, Anderson, K, Coenen, T, Hassall, T, Karastergiou, A, Kondratiev, V, Kramer, M, van Leeuwen, J, Mol, J, Noutsos, A, Romein, J, Weltevrede, P, Fender, R, Wijers, R, List, L