[1] Rigshosp, Danish Ctr Sleep Med, Dept Clin Neurophysiol, Glostrup, Denmark
[2] Netherlands Inst Neurosci, Sleep & Cognit, Amsterdam, Netherlands
[3] Vrije Univ Amsterdam, Ctr Neurogen & Cognit Res, Dept Integrat Neurophysiol, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam Med Ctr, Dept Psychiat, GGZ InGeest, Amsterdam, Netherlands