- Correspondence to Dr Paolo Machi, Centre Hospitalier Universitaire Gui de Chauliac, 80 Avenue Augustine Fliche, Montpellier 34000, France;
- Received 15 December 2015
- Revised 22 February 2016
- Accepted 26 February 2016
- Published in print 1 March 2017.
- Published online 14 February 2017.
- Published first 25 March 2016.
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