| Affiliation: | 1. Gastrointestinal and Digestive Endoscopy Unit, AOU “Maggiore della carità”, Novara, Italy;2. Gastrointestinal Unit 2, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico and University of Milan, Milan, Italy;3. Unit of Medical Statistics and Epidemiology, Department of Medical Sciences, University of Eastern Piedmont, Novara, Italy;1. Department of Emergency Medicine, University of California, San Francisco, California;2. Department of Surgery, Stanford University School of Medicine, Stanford, California;3. Department of Epidemiology and Biostatistics, University of California, San Francisco, California;4. Department of Emergency Medicine and Philip R. Lee Institute for Health Policy Studies, University of California, San Francisco, California;1. Department of Neurosurgery, Harvard Medical School and Boston Children''s Hospital, 300 Longwood Avenue, Boston, MA 02115, USA;1. Division of Cardiology, Osaka Rosai Hospital, Sakai, Osaka, Japan;2. Department of Cardiovascular Medicine and Medical Innovation, Osaka University Hospital, Suita, Osaka, Japan |
