1. Science Department, School of Technological Applications, Kavala Institute of Technology, Kavala 65404, Greece
2. School of History and Ethnology, Democritus University of Thrace, Komotini 69100, Greece
3. Department of Archaeology, Aristotle University, Thessaloniki 54124, Greece
4. Department of Chemistry, Aristotle University, Thessaloniki 54124, Greece