1. Pattern Recognition Lab Friedrich‐Alexander Universität Erlangen‐Nürnberg Erlangen 91058 Germany
2. Fraunhofer Institute for Ceramic Technologies and Systems IKTS Forchheim 91301 Germany
3. Department of Internal Medicine 3 ‐ Rheumatology and Immunology Friedrich‐Alexander Universität Erlangen‐Nürnberg Erlangen 91054 Germany
4. University Hospital Erlangen Erlangen 91054 Germany
5. Institute for Nanotechnology and Correlative Microscopy e.V. INAM Forchheim 91301 Germany