1. Department of Computational and Structural Biology, Max F. Perutz Laboratories; University of Vienna; Campus Vienna Biocenter 5 A-1030 Vienna Austria
2. Faculty of Pharmacy; Mansoura University; Egypt
3. Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
4. Faculty of Chemistry; University of Warsaw; Pasteura 1 02-093 Warsaw Poland