Received: 5 April 2018
Accepted: 6 November 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: The patients’ right to data confidentiality and privacy were specifically preserved and bioethical approval for the study was obtained from the cancer registry. The study was approved by the institutional review board of the Hospital General de Castellon (PIC: 2013/2/CIR).
: Not applicable.
: The authors declare that they have no competing interests.
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