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Lecturer for Abbvie, Abdi Ibrahim, Amgen, Celltrion, Farmanova, Janssen, Lilly, Pfizer, Roche, UCB, outside the submitted work. Other authors have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study was approved by the institutional ethics committee.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Human and animal rights"}},{"value":"Informed consent was obtained from all of the patients.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"informed consent"}}]}}