Trynka, G; Zhernakova, A; Romanos, J; Franke, L; Hunt, K A; Turner, G; Bruinenberg, M; Heap, G A; Platteel, M; Ryan, A W; de Kovel, C; Holmes, G K T; Howdle, P D; Walters, J R F; Sanders, D S; Mulder, C J J; Mearin, M L; Verbeek, W H M; Trimble, V; Stevens, F M