1. Institute of Nuclear Chemistry Johannes Gutenberg University Fritz‐Strassmann‐Weg 2 Mainz 55128 Germany
2. Department of DermatologyUniversity Medical Center Langenbeckstraße 1 Mainz 55101 Germany
3. Department of ChemistryJohannes Gutenberg University Duesbergweg 10–14 Mainz 55128 Germany
4. Clinic and Polyclinic of Nuclear MedicineUniversity Medical Center Langenbeckstraße 1 Mainz 55101 Germany
5. Institute of Physical ChemistryJohannes Gutenberg University Jakob‐Welder‐Weg 11 Mainz 55128 Germany