1. Department of Plant Pathology, University of Stellenbosch, Stellenbosch, South Africa
2. Microbiological Diagnostic Unit Public Health Laboratory, Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute of Infection and Immunity, Victoria, Australia
3. Sporometrics, Toronto, Canada
4. Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
5. Instituto de Ciencias de la Vid y del Vino (ICVV), Consejo Superior de Investigaciones Científicas - Universidad de la Rioja - Gobierno de La Rioja, Logroño, Spain
6. Agricultural Research Council – Plant Health and Protection, Stellenbosch, South Africa