1. Department
of Applied Science and Technology (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 29, 10129, Torino, Italy
2. Center
for Space Human Robotics (IIT@POLITO), Istituto Italiano di Tecnologia, Corso Trento 21, 10129, Torino, Italy
3. Department
of Physics, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania