1. Martin Luther University Halle-Wittenberg, Department of Pharmaceutical Technology and Biopharmaceutics, Wolfgang-Langenbeck-Strasse 4, D-06120 Halle (Saale), Germany
2. Martin Luther University Halle-Wittenberg, Department of Chemistry/Physical Chemistry of Polymers, Von-Danckelmann-Platz 4, D-06120 Halle (Saale), Germany