@article{GroJanSieSch2015, title = {Identification of causal relations in neuroimaging data with latent confounders: An instrumental variable approach}, author = {Grosse-Wentrup, M. and Janzing, D. and Siegel, M. and Sch{\"o}lkopf, B.}, journal = {NeuroImage}, volume = {125}, pages = {825-833}, year = {2016}, doi = {10.1016/j.neuroimage.2015.10.062} }