Enquiries have been made of all Local Authorities, Local Health Boards and Welsh Health Specialised Services in Wales to identify people placed in the MHC hospitals and homes.
Gofynnwyd i’r holl Awdurdodau Lleol, Byrddau Iechyd Lleol a Gwasanaethau Iechyd Arbenigol yng Nghymru nodi’r bobl sydd wedi’u lleoli mewn ysbytai a chartrefi sy’n cael eu rhedeg gan MHC.