1. Department of Electrical and Electronics Engineering, University of West Attica, Ancient Olive Grove Campus, 250 Thivon and P. Ralli, Athens GR12244, Greece
2. Physics Department, University of Athens, Athens GR15784, Greece
3. School of Science and Technology, International Hellenic University, Thermi Campus, Thessaloniki GR57001, Greece
4. Physics Department, International Hellenic University, Kavala Campus, Kavala GR65404, Greece
5. Major Network Installations Department, Hellenic Electricity Distribution Network Operator SA, Athens GR18547, Greece
6. Department of Industrial Engineering and Construction, University of Balearic Islands, Palma Majorca ES07122, Spain
7. Balearic Islands Health Research Institute (IdISBa), Palma Majorca, ES07120, Spain
8. Laboratory of Physiology, Department of Medicine, Aristotle University of Thessaloniki, Thessaloniki GR54124, Greece