1. University of Regensburg
2. Universitatsstraße 31
3. 93053 Regensburg
4. Germany
5. Babes-Bolyai University Cluj-Napoca
6. Faculty of Chemistry and Chemical Engineering
7. Cluj-Napoca
8. 400428 Romania
9. Division of Chemistry & Biological Chemistry
10. School of Physical and Mathematical Sciences
11. Nanyang Technological University
12. 637371 Singapore