1. Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA
2. Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Indiana, USA
3. Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana, USA
4. Department of Molecular Biology and Biochemistry, Indiana University School of Medicine, Indianapolis, Indiana, USA