1. INAIL, DIMEILA, Laboratory Physical Agents, 00078 Monte Porzio Catone, Italy
2. Department of Physiology and Phamracology «V. Erspamer», Università Sapienza di Roma, 00185 Rome, Italy
3. Department of Mechanical Engineering, Politecnico di Milano, 20156 Milano, Italy
4. Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, 03043 Cassino, Italy