Funding for this research was provided by:
Health Research Board (ICE/2012/9)
Irish Cancer Society and the Health Research Board (SRP13GAL, MRCG/2013/11)
Text and Data Mining valid from 2018-12-08
Received: 12 April 2018
Accepted: 27 November 2018
First Online: 8 December 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: 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. We received formal ethical approval for the study from the following institutions in Ireland: Galway University Hospitals (Merlin Park University Hospital Clinical REC_C.A.1100); South/South West Hospital Group (UCC Clinical REC_ECM_4_(bbb)_03/06/14); St. James’s Hospital, Dublin (SJH/AMNCH REC Reference: 2014/05/Chairman’s_Action), Royal Victoria Eye and Ear Hospital, Dublin (RVEEH REC_25/06/14).
: Informed consent was obtained from all individual participants included in the study.