- Correspondence to Professor Stanley Cohen, Clinical Professor of Internal Medicine, University of Texas Southwestern Medical School, Medical Director, Metroplex Clinical Research Center Director, Rheumatology Division, Presbyterian Hospital, 8144 Walnut Hill Lane, Suite 800, Dallas, TX 75231, USA;
- Received September 2, 2016
- Revised May 2, 2017
- Accepted May 4, 2017
- First published June 5, 2017.
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