1. Department of Molecular Virology and Microbiology, Baylor College of Medicine (BCM), Houston, Texas, USA
2. Naruto Research Institute, Research and Development Center, Otsuka Pharmaceutical Factory, Inc., Naruto, Tokushima, Japan
3. Department of Frontier Science for Advanced Environment, Graduate School of Environmental Studies, Tohoku University, Miyagi, Japan
4. Department of Medicine, BCM, Houston, Texas, USA
5. The Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, Texas, USA