Tan TJ, Leong CH, Sim SJ
Singapore Med J 2013; 54(6):347-352; http://dx.doi.org/10.11622/smedj.2013130

The name of the last author should read “Llewellyn Shao-Jen Sim”.

Singapore Med J 2013; 54(7): 418; http://dx.doi.org/10.11622/smedj.2013146