1. Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
2. Department
of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, United States
3. Institut
für Physikalische und Theoretische Chemie, Eberhard-Karls-Universität, D-72076 Tübingen, Germany
4. Department
of Virology and Antiviral Therapy, Jena University Hospital, Hans Knoell Str. 2, D-07745 Jena, Germany