- Correspondence to Dr Akira Kuriyama, Department of Health Informatics, Kyoto University School of Public Health, Yoshida-konoe-cho Sakyo-ku Kyoto 606-8501 Japan;
- Received August 18, 2016
- Revised April 19, 2017
- Accepted May 5, 2017
- First published July 27, 2017.
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.