1. National Institute of Rheomatology and Physiotherapy , P.O.Box 54, Budapest, H-1525, Hungary
2. Department of Pharmacology and Pharmacotherapy, Semmelweis University of Medicine , Nagyvárad tér 4, P.O.Box 370, Budapest, H-1445, Hungary
3. Department of Pharmacognosy, Albert Szent Györgyi Medical University , Eötvös. u 6, P. O. Box 121, Szeged, H-6701, Hungary