Funding for this research was provided by:
Research Center of Portuguese Oncology Institute of Porto (FB-GEBC-27 and 19-CI-IPOP-2016)
FCT- Fundação para a Ciência e Tecnologia PhD fellowship (SFRH/BD/92786/2013)
IPO Porto (IPO/ESTIMA-1 NORTE-01-0145-FEDER-000027)
FCT (PCT: PEst- UID/DTP/00776/2013 and COMPETE: POCI-01-0145-FEDER-006868)
FCT-Fundação para a Ciência e a Tecnologia (IF/00601/2012)
Text and Data Mining valid from 2018-03-27
Received: 1 February 2018
Accepted: 19 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: This study was approved by the institutional ethics committee [Comissão de Ética para a Saúde- Instituto Português de Oncologia do Porto Francisco Gentil, EPE (CES-IPOPFG-EPE 215/013)]. Moreover, in compliance with the Helsinki Declaration and after CES approval, informed consent was obtained for all patients.
: Not applicable
: The authors declare that they have no competing interests.
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