1. Health Intelligence Unit, Strategic Planning and Transformation, HSE, Dr. Steevens Hospital, Dublin D08 W2A8, Ireland
2. Department of Public Health & Primary Care, Institute of Population Health, School of Medicine, Trinity College Dublin, Russell Centre, Tallaght Cross, Dublin D24 DH74, Ireland
3. Pobal, Holbrook House, Holles Street, Dublin D02 EY84, Ireland