1. Centre de Recerca en Sanitat Animal (CReSA); IRTA, Campus Universitat Autònoma de Barcelona; Bellaterra 08193 Barcelona Spain
2. FitzPatrick Institute of African Ornithology; DST-NRF Centre of Excellence, University of Cape Town; Rondebosch 7701 South Africa
3. Division of Medical Microbiology; University of Cape Town, National Health Laboratory Service (NHLS) Groote Schuur Hospital; Cape Town 7925 South Africa
4. National Institute for Communicable Diseases and Faculty of Health Sciences, University of the Witwatersrand; Centre for Enteric Diseases (CED); Johannesburg 2131 South Africa