1. Department of Biomedical Sciences, State University of New York, Albany, NY 12201, USA
2. Wadsworth Center, Bacteriology Laboratory, New York State Department of Health, PO Box 22002, Albany, NY 12201, USA
3. DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstraße 7B, D-38124 Braunschweig, Germany
4. Wadsworth Center, Parasitology Laboratory, New York State Department of Health, PO Box 22002, Albany, NY 12201, USA