1. 1Institute of Medical and Polymer Engineering, Technical University of Munich, Boltzmanstraße 15, 85748 Garching, Germany
2. 2pro3dure medical GmbH, Otto-Hahn-Str. 27, 44227 Dortmund, Germany
3. 33D-Labs GmbH, Leopoldstraße 1, 78112 St. Georgen, Germany
4. 4Chair of Organic Chemistry II, Technical University of Munich, Lichtenbergstraße 4, 85748 Garching, Germany