1. Department of Agronomy, National Taiwan University, Taipei, Taiwan
2. Academia Sinica Biotechnology Center in Southern Taiwan, Tainan, Taiwan
3. Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan
4. Institute of Plant Biology, National Taiwan University, Taipei, Taiwan
5. Matthias-Schleiden Institute, Plant Physiology, Friedrich-Schiller-University Jena, Jena, Germany