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Authors
Rivas-Vilela, S.
Rubió-Casadevall, J.
Fàbrega-Ribas, A.
Joly-Torta, C.
Vilardell, L.
Marcos-Gragera, R. https://orcid.org/0000-0001-9824-3657
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Article History
Received: 3 October 2018
Accepted: 14 January 2019
First Online: 2 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was 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.
: The Epidemiology Unit and Girona Cancer Registry (GCR) is a statistical unit part of the Pla estadístic de Catalunya approved to produce official estiamtes of cancer incidence and mortality. The GCR studies are except of inform consent as they involve large datasets, are retrospective and observational, characteristics that make consent impractical to collect. Nonetheless, security measures are taken accordingly in order to protect patient confidentiality.
