1. Department of Biology; Temple University; Philadelphia PA 19122
2. 1st Department of Pathology and Experimental Cancer Research; Semmelweis University; Budapest 1085 Hungary
3. Sbarro Institute for Cancer Research and Molecular Medicine; Temple University; Philadelphia PA 19122
4. Institute of Bioanalytical Chemistry; Leipzig University; Leipzig 04103 Germany
5. Florey Neurosciences Institutes; University of Melbourne; Victoria 3010 Australia
6. School of Chemistry; University of Melbourne; Victoria 3010 Australia
7. Department of Biomedical Sciences; Creighton University; Omaha NE 68178