1. Discipline of General Practice, School of Medicine, National University of Ireland Galway, Galway H91 TK33, County Galway, Ireland
2. Irish Centre for Applied Patient Safety and Simulation, National University of Ireland Galway, Galway H91 TK33, County Galway, Ireland
3. Health Protection and Surveillance Centre, 25-27 Middle Gardiner St, Dublin 1, Ireland
4. School of Medicine, National University of Ireland Galway, Galway H91 TK33, County Galway, Ireland