Funding for this research was provided by:
Health Research Board (HRA_HSR/2012/24)
Received: 30 July 2019
Accepted: 12 August 2020
First Online: 23 September 2020
Ethics approval and consent to participate
: Central ethical approval was granted by University College Dublin’s Human Research Ethics Committee (LS-13-54) which granted ethical approval to recruit at local centres. Following receipt of this ethical approval, the protocol was approved by the Health Service Executive Primary Care Research Committee to conduct the trial in all local centres. We did not begin recruiting at local centres in the trial until local approval for the trial was obtained from the Health Service Executive Primary Care Research Committee in March 2014. All study participants gave written informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.