Received: 17 February 2017
Revised: 11 May 2017
Accepted: 12 May 2017
First Online: 15 June 2017
: Dr Tiribelli is the President and CEO of Bilimetrix s.r.l., and Drs Greco and Coda Zabetta are the employees of Bilimetrix s.r.l. The remaining authors declare no conflicts of interest.
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