Department of Chemistry, Rhodes University, Grahamstown 6140 South Africa
Department of Medical Microbiology and Virology, University of Kiel, Kiel,1
Institut für Molekulare Infektionsbiologie, University of Würzburg, Würzburg,3
Clinic of Rheumatology, University of Magdeburg, Vogelsang,6 Germany;
Department of Human Microbiology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel2;
School of Pharmaceutical Sciences, Rhodes University, Grahamstown, South Africa4
VA Medical Center and Department of Anatomy and Neurobiology, University of Tennessee, Memphis, Tennessee5