Funding for this research was provided by:
Research Center - Portuguese Oncology Institute of Porto (Grant PI 74-CI-IPOP-19-2015, CI-IPOP-BI-GEBC2018/UID/DTP/00776/POCI-01-0145-FEDER-006868)
Ministerio de Educación, Cultura y Deporte of Spain (CAS17/00364)
Foundation for Science and Technology (SFRH/BD/92786/2013, NORTE 01-0145-FEDER-000013)
Received: 15 April 2020
Accepted: 19 May 2020
First Online: 1 June 2020
: This study was approved by institutional ethics review board (CES-IPOPFG-EPE 518/10). All procedures performed in studies involving human participants were 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. Informed consent was obtained from the participants included in the study.
: Not applicable.
: The authors declare that they have no conflict of interest.