1. Democritus University of Thrace,Department of Production and Management Engineering,Xanthi,Greece,GR-67100
2. Democritus University of Thrace, University Campus,Department of Physical Education and Sport Science,Komotini,Greece,GR-69100
3. Democritus University of Thrace,Department of Electrical and Computer Engineering,Xanthi,Greece,GR-67100