1. Department of Biochemistry and Molecular Genetics; University of Colorado Denver, Anschutz Medical Campus; 12801 East 17th Avenue Aurora CO 80045 USA
2. Faculty of Pharmacy; Mansoura University; Mansoura 35516 Egypt
3. Laboratory of Physical Chemistry; ETH Zürich; Vladimir-Prelog-Weg 2 8093 Zürich Switzerland
4. Department of Medical Biochemistry and Microbiology; Uppsala University; BMC Box 582 75123 Uppsala Sweden
5. Institute of Biophysical Chemistry; Goethe Universität Frankfurt; Max-von-Laue-Strasse 9 60438 Frankfurt am Main Germany
6. Graduate School of Science; Tokyo Metropolitan University, 1-1 Minami-ohsawa; Hachioji Tokyo 192-0397 Japan