- Correspondence to Professor Josef Smolen, Division of Rheumatology, Department of Medicine 3, Medical University of Vienna, Waehringer Guertel 18-20, Vienna A-1090, Austria; ,
- Received 22 October 2016
- Revised 5 January 2017
- Accepted 9 February 2017
- Published in print 1 June 2017.
- Published online 13 May 2017.
- Published first 6 March 2017.
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