1. KU Leuven, BIOSYST-MeBioS, Willem de Croylaan 42, 3001 Leuven (Heverlee), Belgium
2. RFID Lab for Applied Research, Department of Electrical Engineering, University of South Florida, 4202 East Fowler Avenue, Tampa, FL 33620-5399, USA
3. Flanders Centre of Postharvest Technology, Willem de Croylaan 42, 3001 Leuven (Heverlee), Belgium