1. Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy, University of Gothenburg, Gothenburg and Mölndal, Sweden
2. Department of Neuropsychiatry, Skaraborg Hospital, Falköping and Skövde, Sweden
3. Department of Endocrinology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
4. Clinical Memory Research Unit, Clinical Sciences Malmö, Lund University, Lund, Sweden
5. Institute of Neuroscience and Physiology, Department of Neurology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
6. Department of Medical Sciences, Clinical Chemistry, University Hospital, Uppsala, Sweden
7. Department of Endocrinology, Skaraborg Hospital, Falköping and Skövde, Sweden