1. Molecular Parasitology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases National Institutes of Health Bethesda Maryland
2. Microscopy Unit, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases National Institutes of Health Hamilton Montana
3. Biological Imaging Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases National Institutes of Health Bethesda Maryland