RT Journal Article SR Electronic T1 Correction: Post-traumatic stress disorder psychological interventions in sub-Saharan Africa: protocol for a systematic review of the literature JF BMJ Open JO BMJ Open FD British Medical Journal Publishing Group SP e052903corr1 DO 10.1136/bmjopen-2021-052903corr1 VO 12 IS 10 YR 2022 UL http://bmjopen.bmj.com/content/12/10/e052903corr1.abstract AB