2016: Berlin Brain Connectivity Benchmark and BIOMAG Challenge: Material related to the challenge and supplementary to the related article [1] can be found here.

2013: Critical assessment of connectivity measures: The supplementary material to the 2013 Neuroimage paper [2] can be found here.

[1] Haufe S and Ewald A, 2016, A simulation framework for benchmarking EEG-based brain connectivity estimation methodologies. Brain Topography. In Press.
[2] Haufe S, Nikulin VV, Muller KR, and Nolte G, 2013, A critical assessment of connectivity measures for EEG data: a simulation study. NeuroImage, 64:120-133.