1 Teagasc, Department of Environment, Soils and Landuse, Johnstown Castle, Wexford, Ireland. fiona.brennan@teagasc.ie.
2 Department of Biosystems and Technology; Microbial Horticulture Unit, Swedish University of Agricultural Sciences, Alnarp, Sweden.
3 Food Safety and Quality Group, CEBAS-CSIC, Campus Universitario de Espinardo, Murcia, Spain.
4 Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin, Ireland.
5 Universidade Católica Portuguesa, CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal.
6 Section for Food Safety and Animal Health Research, Norwegian Veterinary Institute, Oslo, Norway.
7 Department of Food Technology, Food Safety and Health, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, Ghent, Belgium.
8 James Hutton Institute, Dundee, UK & SRUC, Aberdeen, UK.