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Partial financial support was also received from Sygeforsikring \u2018danmark\u2019 (Journalnr. 2021-0139). The funding agencies had no role in the design, data collection, analysis, interpretation, writing the manuscript, or the decision to submit the manuscript for publication.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Funding"}},{"value":"Kathrine Bang Madsen has received a speaker\u2019s fee from Medice Nordic within the last 3\u00a0years. Charlotte Borg Skoglund has served on advisory boards, as a speaker, and received honoraria from Shire\/Takeda, Nordic Drugs, UCB Pharma, DNE Pharma, Novartis, Evolan, Lundbeck A\/S and Medice. Henrik Larsson reports receiving grants from Shire Pharmaceuticals; personal fees from and serving as a speaker for Medice, Shire\/Takeda Pharmaceuticals and Evolan Pharma AB; and sponsorship for a conference on ADHD from Shire\/Takeda Pharmaceuticals and Evolan Pharma AB, all outside the submitted work. He is also Editor-in-Chief of JCPP Advances. Per Hove Thomsen has received a speaker\u2019s fee from MEDICE and Takeda within the last 3 years. Trine Munk-Olsen has received a speaker\u2019s fee from Lundbeck A\/S within the last 3 years. Mette Bliddal, Malene Galle Madsen, Veerle Bergink, Chaitra Srinivas, Jacqueline M. Cohen, Isabell Brikell, and Xiaoqin Liu have no conflicts of interest to declare in relation to this work.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflicts of Interest"}},{"value":"This study was approved by the Danish Data Protection Agency and the Danish Health Data Authority. All data have been de-identified and are not recognizable at an individual level.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics Approval"}},{"value":"Informed consent is not required for register-based studies, according to Danish law.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to Participate"}},{"value":"Not applicable.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Access to individual-level\u00a0data from Denmark\u00a0is governed by Danish authorities. These include the Danish\u00a0Data\u00a0Protection Agency, the Danish Health\u00a0Data\u00a0Authority, the Ethical Committee, and Statistics Denmark. Each scientific project must be approved before initiation, and approval is granted to a specific Danish research institution. Researchers at Danish research institutions may obtain the relevant approval and\u00a0data. International researchers may gain data\u00a0access if governed by a Danish research institution having needed approval and\u00a0data access.","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Availability of Data and Material"}},{"value":"Code can be made available upon reasonable request.","order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code Availability"}},{"value":"All authors contributed to the study conception and design. Data management and analysis were performed by XL. The first draft of the manuscript was written by KBM and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript and agree to be accountable for the work.","order":9,"name":"Ethics","group":{"name":"EthicsHeading","label":"Author Contributions"}}]}}