Mataix-Cols, David
Fernández de la Cruz, Lorena
De Schipper, Elles
Kuja-Halkola, Ralf
Bulik, Cynthia M.
Crowley, James J.
Neufeld, Janina
Rück, Christian
Tammimies, Kristiina
Lichtenstein, Paul
Bölte, Sven
Beucke, Jan C.
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 5 May 2023
Accepted: 22 May 2023
First Online: 16 June 2023
Declarations
:
: OCDTWIN is carried out in compliance with ethical principles for medical research involving human subjects outlined in the Helsinki declaration. The project was approved by the Regional Ethics Review Authority in Stockholm (reference number: 2016/1452-31:1; amendment: 2018/2236-32). All participants provide informed written consent to participate.
: Not applicable.
: Prof Mataix-Cols receives royalties for contributing articles to UpToDate, Inc, Wolters Kluwer Health and is part owner of a digital health company called Scandinavian E-Health, AB, outside the submitted work. Dr Lorena Fernández de la Cruz receives royalties for contributing articles to UpToDate, Inc, Wolters Kluwer Health and for editorial work for Elsevier, all outside the submitted work. Prof Bölte Bölte discloses that he has in the last 3 years acted as an author, consultant or lecturer for Medice and Roche. He receives royalties for textbooks and diagnostic tools from Hogrefe and Liber. Bölte is partner in SB Education/Psychological Consulting AB and NeuroSupportSolutions International AB, all outside the submitted work. All other authors report no potential conflicts of interest.