1 Sleep and Epilepsy Unit - Clinical Neurophysiology Service. University General Hospital Gregorio Marañón. Research Institute Gregorio Marañón, Complutense University of Madrid, Spain. Electronic address: rosa-peraita@telefonica.net.
2 Neurology and Sleep Unit, La Luz Clinic, Quironsalud, Madrid, Spain.
3 Department of Psychobiology and Behavioral Sciences Methodology, Faculty of Psychology. Complutense University of Madrid, Spain.
4 Department of Immunology, San Carlos University Hospital, Madrid, Spain.