- Correspondence to Dr Vinod Ravindran, Centre for Rheumatology, Calicut 673009, India;
- Received July 19, 2018
- Accepted July 19, 2018
- First published July 26, 2018.
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.