RT Journal Article SR Electronic T1 Correction: A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP e7 OP e7 DO 10.1136/bjsports-2017-097608corr1 VO 54 IS 19 YR 2020 UL http://bjsm.bmj.com/content/54/19/e7.abstract AB