Report of a Joint FAO/OIE/WHO expert consultation on antimicrobial use in aquaculture and antimicrobial resistance, Seoul, Republic of Korea, 13–16 June 2006. Geneva, World Health Organization, 2006 (http://www.who.int/topics/foodborne_diseases/aquaculture_rep_13_16june2006%20.pdf , accessed 19 January 2011). Monitoring antimicrobial usage in food animals for the protection of human health: report of a WHO consultation in Oslo, Norway, 10–13 September 2001. Geneva, World Health Organization, 2002 (http://whqlibdoc.who.int/hq/2002/WHO_CDS_CSR_EPH_2002.11.pdf , accessed 20 January 2011).