Veronese, Nicola
Reginster, Jean-Yves
Article History
Received: 23 January 2019
Accepted: 11 March 2019
First Online: 22 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: No human being or animal was involved in this study.
: Being a review of previously published material, no informed consent was asked.