1. Research Assistant and Ph.D. Candidate, Chair of Computational Modeling and Simulation, Leonhard Obermeyer Center, Technische Univ. München, Arcisstraße 21, 80290 Munich, Germany (corresponding author).
2. Professor, Chair of Computational Modeling and Simulation, Leonhard Obermeyer Center, Technische Univ. München, Arcisstraße 21, 80290 Munich, Germany.