1. School of Public Health University College Cork Ireland
2. Amsterdam UMC Vrije Universiteit Amsterdam Department of Epidemiology and Biostatistics Amsterdam Public Health Research Institute The Netherlands
3. MRC North West Hub for Trials Methodology Research Department of Biostatistics University of Liverpool UK
4. School of Nursing and Midwifery & Trials Methodology Research Network National University of Ireland Galway Ireland
5. School of Psychology National University of Ireland Galway Ireland