[1] Bilbao-Basurto Integrated Health Organisation,
[2] Centro de Salud de San Ignacio Health Centre,undefined
[3] Begoña Health Centre. Basque Health Service (Osakidetza),undefined
[4] Basque Office for Health Technology Assessment (OSTEBA),undefined
[5] Department of Health,undefined
[6] Government of the Basque Country,undefined