Affiliations

• ¹ Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, University of Gothenburg, Sahlgrenska University Hospital, Mölndal, Sweden; Center for Sleep and Vigilance Disorders, Department of Internal Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden; Sleep Laboratory, Pulmonary Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden. Electronic address: martin.v.olsson@vgregion.se.
• ² Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, University of Gothenburg, Sahlgrenska University Hospital, Mölndal, Sweden; Center for Sleep and Vigilance Disorders, Department of Internal Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden.
• ³ Center for Sleep and Vigilance Disorders, Department of Internal Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden; Sleep Laboratory, Pulmonary Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.
• ⁴ Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, University of Gothenburg, Sahlgrenska University Hospital, Mölndal, Sweden.
• ⁵ Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, University of Gothenburg, Sahlgrenska University Hospital, Mölndal, Sweden; Department of Molecular Neuroscience, UCL Institute of Neurology, Queen Square, London, UK; UK Dementia Research Institute at UCL, London, UK.