Centre Hospitalier Charles Perrens, Bordeaux, France
Nantes University Hospital, Nantes, France
CH le Rouvray, Sotteville-lès-Rouen, France
Inselspital Berne, Berne, Switzerland
Hôpital Pellegrin - CHU BORDEAUX, Bordeaux, France
Nutrition Department, La Pitié Salpêtrière Hospital, Paris, France
State Psychiatric Hospital for Treatment of Drug Addiction and Alcoholism, Sofia, Bulgaria
CHU Amiens Picardie, Amiens, France
Leningrad Regional Narcology Dispensary, Leningrad, Russian Federation
Clinical Neurophysiology Department - Hôpital Pellegrin, Bordeaux, France
INC Research, Toronto, Ontario, Canada
Hôpital Gui de Chauliac, CHU Montpellier, Unité des Troubles du Sommeil et de l'Eveil, Montpellier, France
Laboratoire du sommeil Clinique de Physiologie, Sommeil et Exercice Pôle Thorax et Vaisseaux CHU de Grenoble, Grenoble, France
University Multiprofile Hospital for Active Treatment "Aleksandrovska" EAD, Sofia, Bulgaria
Specialised Hospital for Active Treatment of pneumo-phthisiatric diseases - Burgas" EOOD, Pneumology ward, Burgas, Bulgaria
Multiprofile Hospital for Active Treatment "Sv. Ivan Rilski" EOOD, Kozloduy, Bulgaria