1 Institute for Factory Automation and Production Systems, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 7-9, 91058 Erlangen, Germany. Electronic address: [email protected].
2 Division of Plastic and Reconstructive Surgery, University of California Los Angeles, 200 Medical Plaza Driveway 465, Los Angeles, CA 90095, United States.
3 Institute for Factory Automation and Production Systems, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 7-9, 91058 Erlangen, Germany.