1. Faculty of Chemistry A. Mickiewicz University Poznan Poland
2. Institute of Bioorganic Chemistry Polish Academy of Sciences Poznan Poland
3. Center for Structural Biology National Cancer Institute Frederick Maryland USA
4. Department of Molecular Physiology and Biological Physics University of Virginia Charlottesville Virginia USA
5. k.‐k Hofkristallamt San Diego California USA
6. Institute of Genetic Epidemiology Medical University Innsbruck Innsbruck Austria