About the Authors

André Klauss

aklauss@uni-potsdam.de

Affiliation Department of Physical Chemistry/ Applied Laser Sensing in Complex Biosystems (ALS ComBi), Institute of Chemistry, University of Potsdam, Potsdam, Germany

Marcelle König

Affiliation PicoQuant GmbH, Berlin, Germany

Carsten Hille

Affiliation Department of Physical Chemistry/ Applied Laser Sensing in Complex Biosystems (ALS ComBi), Institute of Chemistry, University of Potsdam, Potsdam, Germany

Competing Interests

MK is an employee of PicoQuant, a company selling a STED microscope. PicoQuant had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. AK and CH have declared that no competing interests exist. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AK MK CH. Performed the experiments: AK. Analyzed the data: AK. Contributed reagents/materials/analysis tools: MK. Wrote the paper: AK CH.