RoB 2: a revised tool for assessing risk of bias in randomised trials by Sterne, JAC, Savović, J, Page, MJ, Elbers, RG, Blencowe, NS, Boutron, I, Cates, CJ, Cheng, H-Y, Corbett, MS, Eldridge, SM, Emberson, JR, Hernán, MA, Hopewell, S, Hróbjartsson, A, Junqueira, DR, Jüni, P, Kirkham, JJ, Lasserson, T, Li, T, McAleenan, A, Reeves, BC, Shepperd, S, Shrier, I, Stewart, LA, Tilling, K, White, IR, Whiting, PF, Higgins, JPT