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Zhenghe Wang, Zhiyong Zou, Zhongping Yang, et al. Association between exposure to the Chinese famine during infancy and the risk of self-reported chronic lung diseases in adulthood: a cross-sectional study. BMJ Open 2017;7:e015476. doi:10.1136/bmjopen-2016-015476.
In the second line from the bottom in figure 1 (page 2), it reads: ‘Non-exposed (855), Fetal-exposed (830), Infant-exposed (568), Preschool-exposed (630)’.
It should instead read: ‘Non-exposed (1,549), Fetal-exposed (846), Infant-exposed (524), Preschool-exposed (1,263)’.