1. Max Planck Institute for Developmental Biology, Department of Molecular Biology, 72076 Tübingen, Germany
2. Center for Plant Molecular Biology (ZMBP), Department of General Genetics, University Tübingen, 72076 Tübingen, Germany
3. Department of Biometry and Bioinformatics, Institute of Plant Genetics, Polish Academy of Sciences, 60-479 Poznań, Poland
4. Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, 60-637 Poznań, Poland
5. Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, SE-901 87 Umeå, Sweden
6. Beijing Advanced Innovation Centre for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing 100083, People’s Republic of China