RT Journal Article SR Electronic T1 Correction: what interventions are effective in improving uptake and retention of HIV-positive pregnant and breastfeeding women and their infants in prevention of mother to child transmission care programmes in low-income and middle-income countries? A systematic review and meta-analysis JF BMJ Open JO BMJ Open FD British Medical Journal Publishing Group SP e024907corr1 DO 10.1136/bmjopen-2018-024907corr1 VO 9 IS 8 YR 2019 UL http://bmjopen.bmj.com/content/9/8/e024907corr1.abstract AB