1. Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
2. Departments of Molecular Genetics and Microbiology and Immunology, Duke University Medical Center, Durham, North Carolina, USA
3. Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
4. Department of Immunoparasitology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
5. Laboratory of Immunoparasitology, World Premier International Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
6. Department of Molecular Genetics and Microbiology, Center for Infectious Diseases, Stony Brook University, Stony Brook, New York, USA