1 Department of Gastroenterology and Hepatology, Newham University Hospital, BARTS Health NHS Trust, London, United Kingdom.
2 Department of Gastroenterology and Hepatology, Newham University Hospital, BARTS Health NHS Trust, London, United Kingdom. Electronic address: jijadeking@gmail.com.
3 Department of Acute Admission Unit, Newham University Hospital, BARTS Health NHS Trust, London, United Kingdom.
4 Department of Internal Medicine, Colentina Hospital, Bucharest, Romania.