- Correspondence to Nicolino Ruperto, IRCCS Istituto Giannina Gaslini, Pediatria II–Reumatologia, Pædiatric Rheumatology International Trials Organisation (PRINTO), EULAR Centre of Excellence in Rheumatology 2008-2018, Via Gaslini, 5, 16147 Genova, Italy;
- Received 9 May 2017
- Revised 12 July 2017
- Accepted 13 July 2017
- Published in print 1 October 2017.
- Published online 20 September 2017.
- Published first 26 August 2017.
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