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Yolanda Aladro declares receiving fees for seminars and consulting, and support for travel to conferences from Almirall, Novartis, Roche, Merck, and Bristol-Myers Squibb. She also declares receiving grants for research projects from Almirall, Novartis and Roche. Belen Pilo de la Fuente declares receiving travel reimbursement from Merck Sharp\u2014Dohme, and speaking and lecture fees from Novartis. Cristina L\u00f3pez Riolobos declares travel reimbursement from Oximesa-Nippon. Judit D\u00edaz D\u00edaz declares speaking and lectures fees from Novartis, Merck Sharp\u2014Dohme, Sanofi, and travel reimbursement from Roche.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflicts of interest"}},{"value":"This study has been approved by the Ethics Committee of the Hospital Universitario de Getafe (Madrid, Spain) (reference number A07\/22). All participants gave their informed consent before being included in the study. 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