1. Department of Life Sciences and Chemistry, Jacobs University, P.O.
Box 750 561, 28725 Bremen, Germany
2. Department of Chemistry, Faculty of Sciences, University of Balamand, P.O. Box 100, Tripoli, Lebanon
3. Department
of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, People’s Republic of China
4. Department of Chemistry, Supramolecular Organic and Organometallic
Chemistry Centre (SOOMCC), Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, RO-400028 Cluj-Napoca, Romania