1. Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, USA
2. Discovery Engine/Program for Hypoplastic Left Heart Syndrome, Mayo Clinic, Rochester, Minnesota, USA
3. Influenza Research Institute, Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
4. Mayo Microscopy and Cell Analysis Core, Mayo Clinic, Rochester, Minnesota, USA
5. Division of Virology, Department of Microbiology and Immunology, Institute of Medical Science, University of Tokyo, Tokyo, Japan