1. Institute of Crop Science and Resource Conservation – Horticultural ScienceUnivesity of Bonn Bonn Germany
2. COMPO Expert GmbH Münster Germany
3. Institute of Crop Science, Crop Physiology of Specialty CropsUniversity of Hohenheim Stuttgart Germany
4. Postharvest PhysiologyCompetence Centre for Fruit Growing at Lake Constance (KOB) Ravensburg Germany
5. Institute of Biochemical Plant PhysiologyUniversity of Düsseldorf Düsseldorf Germany