1. Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany Friedrich Schiller University Jena Germany
2. Electron Microscopy Center Jena University Hospital Jena Germany
3. Institute of Molecular Physiology Plant Biochemistry Johannes Gutenberg University Mainz Germany
4. Department of Biomolecular Chemistry Leibniz Institute for Natural Product Research and Infection Biology (HKI) Jena Germany
5. Friedrich Schiller University Jena Germany
6. Carnegie Institution for Science Stanford CA USA