- Correspondence to Professor Tatsuya Hisajima, Faculty of Health Care, Teikyo Heisei University, 2-51-4 Higashi-ikebukuro, Toshima-ku, Tokyo 170-8445, Japan;
- Accepted 29 May 2017
- Published in print 31 July 2017.
- Published online 1 August 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.