- Correspondence to Professor Pascal Richette, Fédération de Rhumatologie, Centre Viggo Petersen, Hôpital Lariboisière, 2 rue Ambroise Paré, Paris 75010, France;
- Received 13 April 2016
- Revised 14 June 2016
- Accepted 29 June 2016
- Published in print 1 January 2017.
- Published online 9 December 2016.
- Published first 25 July 2016.
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