Text and Data Mining valid from 2014-06-04
Received: 24 December 2013
Revised: 14 April 2014
Accepted: 19 May 2014
First Online: 4 June 2014
: Dr Chiara Bonini is a scientific consultant of MolMed SpA, Milan, Italy. Professor Claudio Bordignon is an employee of MolMed SpA, Milan, Italy. The remaining authors declare no conflict of interest.