1. Department of Plant Physiology, Genetics and Biotechnology University of Warmia and Mazury in Olsztyn Olsztyn Poland
2. Institute of Dendrology Polish Academy of Sciences Kórnik Poland
3. Comparative Plant and Fungal Biology Royal Botanic Gardens, Kew, Wakehurst Place Ardingly UK
4. The New Zealand Institute for Plant and Food Research Limited, Food Industry Science Centre Fitzherbert Science Centre Palmerston North New Zealand