Almgren, H., Steen, F. v. d., Kühn, S., Razi, A., Friston, K., & Marinazzo, D. (2018). Variability and reliability of effective connectivity within the core default mode network: A multi-site longitudinal spectral DCM study. NeuroImage, 183, 757-768. doi:10.1016/j.neuroimage.2018.08.053.