Footnotes

• Contributors SK: involved in patient care in outpatient and inpatient setting, performed endoscopic retrograde cholangiopancreatography (ERCP); involved in writing the manuscript. TW: involved in patient care in outpatient and inpatient setting, performed ERCP, involved in writing the manuscript. PB: involved in patient care in outpatient and inpatient setting, performed ERCP, involved in writing and revising the manuscript.

• Competing interests None declared.

• Patient consent for publication Obtained.

• Provenance and peer review Not commissioned; internally peer reviewed.