1. Doctoral School of FIMM, National University of Science and Technology POLITEHNICA of Bucharest / Romania
2. Railway Vehicles Department, National University of Science and Technology POLITEHNICA of Bucharest / Romania
3. Renewable Sources and Energy Efficiency Department, National Institute for Research and Development in Electrical Engineering ICPE-CA, Bucharest / Romania
4. National Institute for Research and Development in Machines and Installations Designed for Agriculture and Food Industry, INMA Bucharest / Romania