Correction: Quantification of glucose-6-phosphate dehydrogenase activity by spectrophotometry: A systematic review and meta-analysis. - Pfeffer, Daniel A.; Ley, Benedikt; Howes, Rosalind E.; Adu, Patrick; Alam, Mohammad Shafiul; Bansil, Pooja; Boum II, Yap; Brito, Marcelo; Charoenkwan, Pimlak; Clements, Archie; Cui, Liwang; Deng, Zeshuai; et al. (PLoS Medicine, 2020)