1. Institute
of Chemical Technologies and Analytics, TU Wien, Getreidemarkt 9/164, A-1060 Vienna, Austria
2. Bijvoet
Centre for Biomolecular Research and Utrecht Institute of Pharmaceutical
Sciences, Utrecht University, NL-3584 CH Utrecht, The Netherlands
3. Faculty
of Physics, University of Vienna, A-1090 Vienna, Austria
4. Department
of Medical Biochemistry, Max F. Perutz Laboratories, Medical University of Vienna, Vienna Biocenter (VBC), A-1030 Vienna, Austria