1 Departments of Neurology, Shifa International Hospital, Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan.
2 Departments of Radiology, Shifa International Hospital, Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan.
3 Departments of Gastroenterology and Hepatology, Shifa International Hospital, Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan.
4 Liver Transplantation, Hepatobiliary and Pancreatic Surgery, Shifa International Hospital, Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan.