1. Division of Plant Science, University of Dundee at James Hutton Institute, Invergowrie, Dundee, UK
2. Cell and Molecular Sciences, James Hutton Institute, Invergowrie, Dundee, UK
3. Key Laboratory of Potato Biology and Biotechnology, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, China
4. Heilongjiang Bayi Agricultural University, Daqing, China
5. Virus-free Seedling Research Institute of Heilongjiang Academy of Agricultural Sciences, Harbin, China
6. School of Life Sciences Weihenstephan, Technische Universität München, Freising, Germany
7. Wageningen UR Plant Breeding, Wageningen University, Wageningen, The Netherlands