Table 1.

PICOs inclusion and exclusion criteria

	Inclusion criteria	Exclusion criteria
Population	● Biological parents and/or legal guardians of deceased neonates and/or children up to the age of 12 years of life [67]	● Parents who are not related by the law or by blood ● Non-1st degree relatives ● Patients who are adolescents above the age of 12
Intervention	● Intervention programmes for parents of deceased neonates up to the age of 12 between 1st January 2000 and 31st December 2020	NA
Comparison Outcome	● Outcomes of intervention programmes ● Changes in parents’ personhood ● Programme evaluation results, from forms and questionnaires done by bereaved parents ● Gaps and improvements to current intervention programmes ● Views of bereaved parents on healthcare and intervention programmes	● Observations and recounts of parental behaviour by healthcare staff
Study design	● All study designs and article types were included (observational studies, randomised controlled trials, cohort studies, cross-sectional studies, longitudinal studies and case studies, ancestry approach/review) in the English language	● Non-English language articles