About the Authors

Markku Partinen

markku.partinen@helsinki.fi

Affiliations Helsinki Sleep Clinic, Finnish Narcolepsy Research Centre, Vitalmed Research Centre, Helsinki, Finland, Department of Clinical Neurosciences, University of Helsinki, Helsinki, Finland, Rinnekoti Research Centre, Espoo, Finland

Outi Saarenpää-Heikkilä

Affiliation Unit of Child Neurology, Department of Paediatrics, Tampere University Hospital, Tampere, Finland

Ismo Ilveskoski

Affiliation Department of Child Neurology, Children's Hospital, Helsinki University Central Hospital, Helsinki, Finland

Christer Hublin

Affiliation Finnish Institute of Occupational Health, Helsinki, Finland

Miika Linna

Affiliation Department of Statistics and Registers, National Institute for Health and Welfare (THL), Helsinki, Finland

Päivi Olsén

Affiliation Department of Child Neurology, Oulu University Hospital, Oulu, Finland

Pekka Nokelainen

Affiliation Department of Child Neurology, Kuopio University Hospital, Kuopio, Finland

Reija Alén

Affiliation Department of Child Neurology, Jyväskylä Central Hospital, Jyväskylä, Finland

Tiina Wallden

Affiliation Department of Child Neurology, Central Hospital of Kymenlaakso, Kotka, Finland

Merimaaria Espo

Affiliation Department of Child Neurology, Central Hospital of Kymenlaakso, Kotka, Finland

Harri Rusanen

Affiliation Department of Neurology, Oulu University Hospital, Oulu, Finland

Jan Olme

Affiliation Department of Child Neurology, Vaasa Central Hospital, Vaasa, Finland

Heli Sätilä

Affiliation Department of Child Neurology, Kanta-Häme Central Hospital, Hämeenlinna, Finland

Harri Arikka

Affiliation Department of Child Neurology, Turku University Hospital, Turku, Finland

Pekka Kaipainen

Affiliation Rinnekoti Research Centre, Espoo, Finland

Ilkka Julkunen

Affiliation Department of Vaccination and Immune Protection, National Institute for Health and Welfare (THL), Helsinki, Finland

Turkka Kirjavainen

Affiliation Department of Paediatrics, Children's Hospital, Helsinki University Central Hospital, Helsinki, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP OSH CH TK IJ. Performed the experiments: MP OSH TK IJ II ML PO PN RA TW ME HR JO HS HA PK. Analyzed the data: MP OSH TK IJ II ML PO PN RA TW ME HR JO HS HA PK. Contributed reagents/materials/analysis tools: MP IJ ML PK. Wrote the paper: MP TK IJ OSH CH. Provided input on the manuscript: II PO PN RA TW ME HR JO HS HA PK.