Urquhart, J S; Figura, C; Cross, J R; Wells, M R A; Moore, T J T; Eden, D J; Ragan, S E; Pettitt, A R; Duarte-Cabral, A; Colombo, D; Schuller, F; Csengeri, T; Mattern, M; Beuther, H; Menten, K M; Wyrowski, F; Anderson, L D; Barnes, P J; Beltrán, M T; Billington, S J