1 Research Group Computer Aided Plastic Surgery, Department of Plastic Surgery and Hand Surgery, Klinikum rechts der Isar, Technische Universität München, München, Germany (Eder, Raith) Research Group Computer Aided Plastic Surgery, Department of Plastic Surgery and Hand Surgery, Klinikum rechts der Isar, Technische Universität München, München, Germany, Institute of Medical Engineering, Technische Universität München, Garching, Germany (Jalali) Research Group Computer Aided Plastic Surgery, Department of Plastic Surgery and Hand Surgery, Klinikum rechts der Isar, Technische Universität München, München, Germany (Kovacs).