Jimenez-Jimenez, E. http://orcid.org/0000-0003-1170-1702
Mateos, P.
Aymar, N.
Roncero, R.
Ortiz, I.
Gimenez, M.
Pardo, J.
Salinas, J.
Sabater, S.
Article History
Received: 22 February 2018
Accepted: 16 April 2018
First Online: 2 May 2018
Compliance with ethical standards
:
: No conflict of interest of any author.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutitional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: As this study is retrospective study, formal content is not required.