1. Institute of Inorganic and Physical Chemistry, Technical University of Darmstadt, Alarich-Weiss-Straße 8, D-64287 Darmstadt, Germany
2. Department of Chemistry, Faculty of Science, Mahidol University, Rama 6 Road, 10400 Bangkok, Thailand
3. Merck KGaA, Industriestraße 25, CH-9470 Buchs SG, Suisse
4. Dr. Robert-Murjahn-Institut GmbH (RMI), Industriestraße 12, D-64372 Ober-Ramstadt, Germany
5. Ernst-Berl-Institute of Technical Chemistry and Macromolecular Chemistry, Technical University of Darmstadt, Alarich-Weiss-Straße 8, D-64287 Darmstadt, Germany