1. MSc, Center for Business Management in Horticulture and Applied Research, Institute of Horticultural Production Systems, Leibniz University Hanover, Herrenhaeuser Str. 2, 30419 Hannover, Germany.
2. Prof. Dr., Faculty of Agriculture/Environment/Chemistry, University of Applied Sciences Dresden (HTW Dresden), Pillnitzer Platz 2, 01326 Dresden, Germany.