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Chung GK, Chan SM, Chan YH, Yip TC, Ma HM, Wong GL, Chung RY, Wong H, Wong SY, Yeoh EK, Marmot M, Woo J.Chung GK, et al. Among authors: chan sm, chan yh.Int J Environ Res Public Health. 2021 Aug 2;18(15):8168. doi: 10.3390/ijerph18158168.Int J Environ Res Public Health. 2021.PMID: 34360461Free PMC article.