1. Department of Organic Chemistry; University of Chemistry and Technology Prague; Prague Czech Republic
2. Department of Internal Medicine-Nephrology; University of Michigan; Ann Arbor MI USA
3. Division of Chemistry of Renewable Resources; Department of Chemistry; University of Natural Resources and Life Sciences; Tulln Austria
4. Institute of Organic Chemistry and Biochemistry; The Academy of Sciences of the Czech Republic; Prague Czech Republic
5. Department of Analytical Chemistry; University of Vienna; Vienna Austria