- Received July 22, 2011, and in revised form September 5, 2011.
- Accepted for publication October 20, 2011.
- Reprints: Kazuhiko Kotani, MD, PhD, Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, 1-1 Fukakusa Mukaihata-cho, Fushimi-ku, Kyoto 612-8555, Japan. E-mail: .
- This study was supported in part by a Grant-in-Aid for the Foundation for the Development of the Community, Japan.
- There are no conflicts of interest to declare.
- First published December 15, 2015.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.