Resting-state functional magnetic resonance imaging of the subthalamic microlesion and stimulation effects in Parkinson's disease: Indications of a principal role of the brainstem. - Holiga, S.; Mueller, K.; Moller, H. E.; Urgosik, D.; Ruzicka, E.; Schroeter, M. L.; Jech, R. (Neuroimage Clin, 2015)