1. Medical Products Agency; Uppsala Sweden
2. Department of Medical Epidemiology and Biostatistics; Karolinska Institutet; Stockholm Sweden
3. Division of Clinical Microbiology; Department of Laboratory Medicine; Karolinska Institutet and Karolinska University Hospital; Huddinge Stockholm Sweden
4. Clinical Epidemiology Unit; Department of Medicine; Karolinska Institutet; Stockholm Sweden
5. Department of Neuroscience; Karolinska Institutet; Stockholm Sweden
6. Public Health Agency of Sweden; Solna Sweden
7. Department of Microbiology, Tumor and Cell Biology; Karolinska Institutet; Stockholm Sweden
8. Therapeutic Immunology Division; Department of Laboratory Medicine; Karolinska Institutet; Stockholm Sweden
9. Department of Clinical Neuroscience; Karolinska Institutet; Stockholm Sweden
10. Department of Communicable Disease Control and Prevention; Stockholm County Council; Stockholm Sweden
11. Department of Medicine; Unit of Infectious Diseases; Karolinska Institutet; Stockholm Sweden
12. Helsinki Sleep Clinic; Vitalmed Research Centre; Helsinki Finland
13. Department of Clinical Neurosciences; University of Helsinki; Helsinki Finland