1Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, USA. Electronic address: jonathan.halford@va.gov.
2Departments of Neurology and Biomedical Engineering, Mayo Clinic, Rochester MN, USA. Electronic address: brinkmann.benjamin@mayo.edu.
3Departments of Neurosurgery and Neuroradiology, University Hospital Erlangen, Germany. Electronic address: stefan.rampp@uk-erlangen.de.
4Department of Neurology, Ludwig-Maximilians-University, Munich, Germany. Electronic address: jan.remi@med.uni-muenchen.de.
5Persyst Development Corporation, Solana Beach, CA, USA. Electronic address: shane.poznikoff@persyst.com.
6Section for Clinical Neurophysiology, Department of Neurology, Oslo University Hospital, Oslo, Norway. Electronic address: k.b.nilsen@medisin.uio.no.
7Nihon Kohden America, Irvine, CA, USA. Electronic address: Andrew_Ehrenberg@nihonkohden.com.
8Sigma Software Solutions OG, Vienna, Austria. Electronic address: silvia.winkler@sigmasoft.at.