[1] Univ Limerick, Sch Med, Publ & Patient Involvement Res Unit, Limerick V94 T9PX, Ireland
[2] Univ Limerick, Hlth Res Inst, Limerick, Ireland
[3] Univ Porto, EPI Unit Inst Saude Publ, Porto, Portugal
[4] Univ Porto, Fac Med, Dept Ciencias Saude Publ & Forenses & Educ Med, Porto, Portugal
[5] Univ Inst Lisbon, Ctr Res & Studies Sociol, Lisbon, Portugal
[6] Univ Coll Dublin, Sch Publ Hlth Physiotherapy & Sports Sci, Dublin, Ireland
[7] WHO, Geneva, Switzerland
[8] Who Reg Off Europe, Copenhagen, Denmark