Torres-Poveda, K.
Ruiz-Fraga, I.
Madrid-Marina, V.
Chavez, M.
Richardson, V.
Article History
Received: 2 July 2018
Accepted: 21 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: As this study was a retrospective confidential analysis of stored databases, no approval from the research and Bioethics Committee was needed.
: Not applicable. This manuscript does not contain data from any individual person.
: The authors declare that they have no competing interests.