1 Department of Gastroenterology, Seth G S Medical College and KEM Hospital, Multistorey Building, 11th Floor, Parel, Mumbai, 400012, India.
2 Department of Pathology, Seth G S Medical College and KEM Hospital, Parel, Mumbai, India.
3 Department of Gastroenterology, Seth G S Medical College and KEM Hospital, Multistorey Building, 11th Floor, Parel, Mumbai, 400012, India. drakashshukla@yahoo.com.