1. Crystal Engineering, Growth and Design Laboratory; Department of Chemistry; University of Crete; Voutes Campus, Heraklion Crete 71003 Greece
2. Department of Biology; Institute of General Botany; University of Mainz; Johannes-von-Müllerweg 6 55099 Mainz Germany
3. Graduate School Materials Science in Mainz; University of Mainz, Staudingerweg 9, 55128 Mainz, Germany