Leng, Y., Wainwright, N. W., Hayat, S., Stephan, B. C., Matthews, F. E., Luben, R., Surtees, P. G., Khaw, K. T., & Brayne, C. (2013). The association between social stress and global cognitive function in a population-based study: The European Prospective Investigation into Cancer (EPIC)-Norfolk study. Psychological Medicine, 43(3), 655-666. https://doi.org/10.1017/S0033291712001316