1. Department of Plant Genetics, Breeding, and Biotechnology, Faculty of Horticulture and Landscape Architecture, Warsaw University of the Life Sciences, ul. Nowoursynowska 159, 02-776 Warsaw, Poland.
2. Department of Genetics, Plant Breeding, and Seed Production, Agricultural University of Krakow, al. 29 Listopada 54, 31-425 Krakow, Poland.
3. Keygene N.V, Agro Business Park 90, 6708 PW Wageningen, The Netherlands.
4. US Department of Agriculture, Department of Horticulture, Agricultural Research Service, Vegetable Crops Unit, 1575 Linden Drive, University of Wisconsin, Madison, WI 53706, USA.