1. Research & Development Department, iSYS Professional, 020312 Bucharest, Romania
2. Department of Engineering in Foreign Languages, Faculty of Engineering in Foreign Languages (FILS), National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania
3. Molecular Dynamics Group, University of Groningen, Nijneborgh 7, 9747 AG Groningen, The Netherlands