1. Graduate School of Medicine/School of Public Health, Kyoto University, Sakyo-ku, Kyoto, Japan
2. Japan Society for the Promotion of Science (JSPS), Chiyoda-ku, Tokyo, Japan
3. University of Pennsylvania, Philadelphia, PA, USA
4. The University of Iowa, Iowa City, IA, USA
5. Colorado State University Health Network, Fort Collins, CO, USA
6. Washington DC Veterans Affairs Medical Center, Washington, DC, USA