Funding for this research was provided by:
Svenska Forskningsrådet Formas
Stiftelsen Sven Jerrings Fond
Stiftelsen Frimurare Barnhuset i Stockholm
Stiftelsen Kempe-Carlgrenska Fonden
Stiftelsen Sunnerdahls Handikappfond
Stockholm Brain Intistute
Autism and Asperger association Stockholm
Queen Silvia Jubilee Fund
PRIMA Child and Aduld Psychiatry
Pediatric Research Foundation at Astrid Lindgren Children’s Hospital
Innovative Medicines Initiative Joint Undertaking (115300)
Received: 19 March 2019
Accepted: 19 December 2019
First Online: 31 December 2019
Ethics approval and consent to participate
: Informed written consent was obtained from all participants and/or their legal guardians according to the Declaration of Helsinki. The RATSS project and the current study are approved by the regional Ethical Review Board.
: Not applicable.
: Sven Bölte declares no direct conflict of interest related to this article. He discloses that he has in the last 5 years acted as an author, consultant, or lecturer for Shire, Medice, Roche, Eli Lilly, Prima Psychiatry, GLGroup, System Analytic, Kompetento, Expo Medica, and Prophase. He receives royalties for text books and diagnostic tools from Huber/Hogrefe, Kohlhammer and UTB. All other authors declare that they have no competing interests.