1 Department of Ophthalmology, University of Cologne, Cologne, Germany.
2 Department of Respiratory Medicine, Ningbo Medical Center Lihuili Eastern Hospital, Ningbo, Zhejiang, China; Department of Respiratory Medicine, Taipei Medical University Ningbo Medical Center, Ningbo, Zhejiang, China.
3 Department of Neuropathology, University of Cologne, Cologne, Germany.
4 Institute of Pathology, Ruhr-University Bochum, Bochum, Germany.
5 Department of Ophthalmology, University of Cologne, Cologne, Germany; Center for Integrated Oncology (CIO) Cologne-Bonn, Germany. Electronic address: ludwig.heindl@uk-koeln.de.