1. School of Electronics and Electrical Engineering, Lovely Professional University,Punjab,India
2. Eötvös Loránd University Budapest,Department of Media and Educational Informatics,Budapest,Hungry
3. National Research and Development Institute for Cryogenic and Isotopic Technologies—ICSI Rm.,Vâlcea,România
4. Communications and Computers University of Pitesti,Department of Electronics,Pitesti,Romania
5. Technical University of Cluj-Napoca,Faculty of Building Services Engineering,Cluj-Napoca,Romania