- Correspondence to Dr Veena K Ranganath, Division of Rheumatology, UCLA, 1000 Veteran Ave, Rehabilitation Building, Rm# 32-59, Los Angeles, CA 90095, USA;
- Received July 31, 2016
- Revised August 30, 2016
- Accepted September 11, 2016
- First published September 29, 2016.
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