1. Agricultural Economics Research Institute, Wageningen UR, Hollandseweg 1, 6706 KN Wageningen, the Netherlands
2. Wageningen UR, Fresh Food and Chains, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
3. Faculty of Agricultural Sciences, Research Centre Foulum, University Aarhus, P.O. Box 50, 8830 Tjele, Denmark
4. Wageningen University, Logistics Decision & Information Sciences, Hollandseweg 1, 6706 KN Wageningen, the Netherlands