Cristia, A., Dupoux, E., Hakuna, Y., Lloyd-Fox, S., Schuetze, M., Kivits, J., Bergvelt, T., Van Gelder, M., Filippin, L., Charron, S. & Minagawa-Kawai, Y. (2013). An online database of infant functional Near InfraRed Spectroscopy studies: A community-augmented systematic review. PLoS One, 8(3), e58906. doi:10.1371/journal.pone.0058906