1. Department of Ophthalmology, University Medical Center, Göttingen, Germany
2. Ophthalmic practice Dr. Wecker, Heilbronn, Germany
3. Third Institute of Physics, Biophysics, Georg-August-University, Göttingen, Germany
4. Department of Anaesthesiology, University Medical Center, Göttingen, Germany
5. Faculty of Natural Science and Technology, University of Applied Sciences and Arts, Göttingen, Germany
6. Molecular Biomarkers Nano-Imaging Laboratory, Brigham and Women's Hospital, and Department of Radiology, Harvard Medical School, Boston, Massachusetts, United States