1. Military University Institute,CINAMIL, Portuguese Military Academy,Dept. of Exact Sciences and Engineeing,Amadora,Portugal
2. University of Lsibon,LAETA, IDMEC, Instituto Superior Técnico,Dept. Mechanical Engineering,Lisbon,Portugal
3. University of Lisbon,IN+, Instituto Superior Técnico,Dept. Mechanical Engineering,Lisbon,Porutgal