Swansea Bay University Health Board, Betsi Cadwaladr University Health Board, Hywel Dda University Health Board, Aneurin Bevan University Health Board and Cardiff and Vale University Health Board
Bwrdd Iechyd Prifysgol Bae Abertawe, Bwrdd Iechyd Prifysgol Betsi Cadwaladr, Bwrdd Iechyd Prifysgol Caerdydd a'r Fro, Bwrdd Iechyd Prifysgol Hywel Dda a Bwrdd Iechyd Prifysgol Aneurin Bevan