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The participants will be introduced to the study by the medical personnel in a room where they will not be disturbed. Patients are allowed (if they wish) to be introduced to the study accompanied by a family member or any other person(s) selected by the patient. Patients will be given an oral overview of the purpose of the study, a participant information document describing the study and potential risk, together with a patient consent form, which the patients will sign if they decide to participate in the study. The patient can resign from participating in the study without giving a reason and without any consequences. 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