Ferrazzoli, D.
Ortelli, P.
Riboldazzi, G.
Maestri, R.
Frazzitta, G.
Article History
Received: 29 December 2017
Revised: 7 February 2018
Accepted: 8 February 2018
First Online: 13 February 2018
Change Date: 17 August 2018
Change Type: Correction
Change Details: The original version of this article unfortunately contained a mistake. The funding information was incorrect. The corrected funding information is given below.
Compliance with ethical standards
:
: All authors declare that there is no conflict of interest regarding this work. All authors have approved the final article.
: The study design and protocol were approved by the by the local institutional review board and by the Central Ethics Committee and were in accordance with the code of Ethics of the World Medical Association (Declaration of Helsinki, 1967).
: All patients signed an informed written consent prior to the participation to the study for the use of their clinical data for scientific purposes.