1. Section of Earth Materials, Department of Geology, University of Patras, 26504 Patras, Greece
2. Chemical Process & Energy Resources Institute, Centre for Research & Technology Hellas (CERTH), 15125 Athens, Greece
3. Department of Agriculture, University of Ioannina, 45100 Ioannina, Greece
4. ELGO-Demeter, Plant Protection Division of Patras, 26442 Patras, Greece
5. Section of Pharmaceutical Technology, Department of Pharmacy, University of Patras, 26504 Patras, Greece