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Affiliations

• ¹ Department of Gastroenterology, São João University HospitalPorto, Portugal; WGO Gastroenterology and Hepatology Training CenterPorto, Portugal; Faculty of Medicine, University of PortoPorto, Portugal.
• ² Department of Gastroenterology, São João University HospitalPorto, Portugal; WGO Gastroenterology and Hepatology Training CenterPorto, Portugal.
• ³ Department of Gastroenterology, São João University HospitalPorto, Portugal; WGO Gastroenterology and Hepatology Training CenterPorto, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal.
• ⁴ Department of Mechanical Engineering, Faculty of Engineering of the University of PortoPorto, Portugal; Institute of Science and Innovation in Mechanical and Industrial EngineeringPorto, Portugal.