I would once again like to express our thanks to the joint co-chairs and all the members of the Expert Group for their input and contribution to this crucial and challenging work.
Hoffwn ddiolch unwaith eto i'r cyd-gadeiryddion a holl aelodau'r Grŵp Arbenigol am eu mewnbwn a'u cyfraniad i'r gwaith hollbwysig a heriol hwn.