The OBO Foundry: coordinated evolution of ontologies to support biomedical data integration - Smith, B; Ashburner, M; Rosse, C; Bard, J; Bug, W; Ceusters, W; Goldberg, LJ; Eilbeck, K; Ireland, A; Mun-gall, CJ; Consortium, OBI; Leontis, N; Rocca-Serra, P; Ruttenberg, A; Sansone, SA; Scheuermann, RH; Shah, N; Whetzel, PL; Lewis, S (Nat Biotechnol, 2007)