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Erickson, K.I., Voss, M., Prakash, R., Basak, C., Szabo, A., Chaddock, L., White, S., Wojcicki, T., Mailey, E., McAuley, E. & Kramer, A.F. (2011). Reply to Coen et al: Exercise, hippocampal volume, and memory. Proceedings of the National Academy of Sciences, 108(18), E90.