- Correspondence to Dr Mabel Qi He Leow, Biomechanics Laboratory, Singapore General Hospital, Academia, Level 1, 20 College Rd, Singapore 169856, Singapore;
- Received 2 November 2016
- Accepted 26 December 2016
- Published online 12 January 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.