- Correspondence to Dr Melvyn Zhang, Level 9, Department of Psychological Medicine, National University Healthcare Systems (NUHS) Tower Block, 5 Lower Kent Ridge Road, Singapore 119074, Singapore;
- Received September 11, 2015
- Accepted September 17, 2015
- First published October 9, 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.