Affiliation: | (1) Department of Pulmonary Diseases, Sleep Research Unit, Turku University Central Hospital, University of Turku, Turku, Finland;(2) Department of Obstetrics and Gynecology, Sleep Research Unit, Turku University Central Hospital, University of Turku, Turku, Finland;(3) Department of Pulmonary Diseases, Tampere University Hospital, Tampere, Finland;(4) Sleep Research Unit, University of Turku, Turku, Finland; |