1. Department of Informatics, Ludwig Maximilian University of Munich, Munich, Germany
2. Department of Computer Science and Engineering, Kyung Hee University, Yongin-si, South Korea
3. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
4. Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada
5. Institute for Diagnostic and Interventional Neuroradiology, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
6. Chair for Computer Aided Medical Procedures and Augmented Reality, Technical University of Munich, Garching, Germany