Navarrete, Salvador
Leyba, José Luis
Ll, Salvador Navarrete
Borjas, Guillermo
Tapia, José León
Alcázar, Ruben
Article History
First Online: 1 May 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Approval from the local ethics committee and informed consent from all patients were obtained. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.