- Correspondence to Dr Federica Ungaro, Department of Gastroenterology and Digestive Endoscopy, Division of Immunology, Transplantation and Infectious Disease, IRCCS Ospedale San Raffaele, Milano, 20132, Italy;
- Received July 29, 2022
- Accepted February 6, 2023
- First published February 14, 2023.
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