Ethical approval
Ethical approval was obtained from the Nanyang Technological University Institute Review Board (IRB-2022-476). Study methods were performed in accordance with approved guidelines and regulations. Participation in the study was voluntary and would neither replace the existing cardiac and liver anatomy curriculum nor impact on formal assessment for the participants. Signed informed consent was obtained from participants prior to enrolment into the study. Confidentiality was ensured by de-identification of participants’ names during data collection. Singapore Dollar $10 vouchers were provided as tokens of appreciation.