About the Authors

Susanne E Hausselt

Affiliation Department of Biomedical Optics, Max-Planck Institute for Medical Research, Heidelberg, Germany

Thomas Euler

To whom correspondence should be addressed. E-mail: teuler@mpimf-heidelberg.mpg.de

Affiliation Department of Biomedical Optics, Max-Planck Institute for Medical Research, Heidelberg, Germany

Peter B Detwiler

Affiliation Department of Physiology and Biophysics, University of Washington, Seattle, Washington, United States of America

Winfried Denk

Affiliation Department of Biomedical Optics, Max-Planck Institute for Medical Research, Heidelberg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

TE and WD designed the experiments with contributions by SEH and PBD. SEH performed most of the experiments, with TE contributing the remainder. The data were analyzed by SEH and TE and interpreted by SEH, TE, PBD, and WD. The paper was written by SEH, TE, PBD, and WD.