1. Department of Materials Science & Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
2. Engineering Systems Division, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
3. Department of Mechanical
Engineering, ISEC, Coimbra Polytechnic Institute, 3030-199 Coimbra, Portugal
4. ADAI-LAETA, Department of
Mechanical Engineering, University of Coimbra, Pólo II Campus, Rua Luís
Reis Santos, 3030-788 Coimbra, Portugal
5. INESC Coimbra, Faculty of Economics. University of Coimbra, Rua Antero de Quental 199, 3000-033 Coimbra, Portugal