1. Federal Institute for Materials Research and Testing (BAM), Biophotonics, Richard-Willstaetter-Str. 11, 12489 Berlin, Germany
2. Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Str. 16, 12489 Berlin, Germany
3. Zuse Institute Berlin, Takustraße 7, 14195 Berlin, Germany