Brack, W; Ait-Aissa, S; Backhaus, T; Birk, S; Barcelo, D; Burgess, R; Cousins, I; Dulio, V; Escher, BI; Focks, A; van Gils, J; Ginebreda, A; Hering, D; Hewitt, LM; Hilscherova, K; Hollender, J; Hollert, H; Kock, M; Kortenkamp, A; de Alda, ML; Muller, C; P