1. Medical Faculty Institute of Neuroanatomy University of Bonn Bonn Germany
2. Faculty of Science Biology Department Ankara University Ankara Turkey
3. Medical Faculty Institute of Anatomy and Cell‐Biology University of Bonn Bonn Germany
4. Institute of Physical and Theoretical Chemistry University of Bonn Bonn Germany
5. Medical Faculty Institute for Biochemistry and Molecular Biology (IBMB) University of Bonn Bonn Germany
6. Institute of Ophthalmology University College London London UK