The majority of data was collected through 30 interviews which were conducted online with 34 individuals (some interviews were undertaken with 2 people at a time).
Casglwyd y rhan fwyaf o'r data trwy 30 o gyfweliadau a gynhaliwyd ar-lein â 34 o unigolion (cynhaliwyd rhai cyfweliadau â dau berson ar y tro).