- Correspondence to Dr Philip Yap, Department of Geriatric Medicine, Khoo Teck Puat Hospital, Singapore, 90 Yishun Central, Singapore 768828, Singapore;
- Received January 6, 2014
- Revision received August 31, 2014
- Accepted October 6, 2014
- First published October 21, 2014.
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.