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The study was approved by the Danish Data Protection Agency (record no. 1-16-02-467-15), and no patient consent was needed as detail has been removed from the case description to ensure anonymity. According to the Danish law, registry-based studies do not require ethical approval.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"Cecilie Daugaard, Alma B. Pedersen, and Nickolaj R. Kristensen declare that they have no conflict of interest. S\u00f8ren P. Johnsen has, outside the submitted work, received speaker honorarium from BMS and Pfizer; participated in board meetings for BMS, Pfizer, and Bayer; and received previous research funding from BMS and Pfizer.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflicts of interest"}}]}}