Funding for this research was provided by:
Ministerio de Economía y Competitividad (AC14/00036)
Text and Data Mining valid from 2018-08-02
Received: 22 May 2017
Accepted: 19 July 2018
First Online: 2 August 2018
: This paper is part of the doctoral thesis prepared by the first and corresponding author in the Inter-University Health Sciences Doctoral Program offered jointly by the University of Seville, the University of Jaen and the Andalusian School of Public Health.
: The dataset of the population-based cancer registry is registered as stipulated by law according to the Spanish Data Protection Agency (Agencia Española de Protección de Datos. https://www.agpd.es). All data collected in the database for incidence and survival analysis were anonymous, and no ethical approval was required.Mortality data were obtained from public database of the National Institute of Statistics, and were previously anonymized, so no ethical approval was required.
: Not applicable.
: The authors declare that they have no competing interests.
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