Calvo, B.
Gracia, J. A.
Bielsa, M. A.
MartÃnez, M.
Article History
Received: 27 June 2019
Accepted: 24 December 2019
First Online: 13 January 2020
Compliance with ethical standards
:
: All authors, Calvo B, Gracia JA, Bielsa MA, Martinez M, have nothing to disclose, neither relationships with pharmaceutical nor device companies.