Burke, Neil G. http://orcid.org/0000-0001-7557-0460
Gibbons, John P.
Cassar-Gheiti, Adrian J.
Walsh, Fionnuala M.
Cashman, James P.
Article History
Received: 29 May 2018
Accepted: 13 December 2018
First Online: 19 December 2018
Compliance with ethical standards
: All procedures performed in studies involving human participant 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.
: Prior to undertaking the study, the local institutional review board was consulted. As it is a retrospective study, the decision was made that formal consent was not required.
: The authors declare that they have no conflict of interest.