Table 1. Codebook utilized for all qualitative data.

Major Theme	Sub-Theme
Realism of Simulators: Accuracy and realism of bile duct simulators.	Features to Add: Suggestions from participants to add to the simulators to improve quality, efficacy of training, or better user experience. Features to Change: Suggestions from participants to change the simulators to improve quality, efficacy of training, or better user experience. Features to Continue: Suggestions from participants to maintain features of the simulators and areas that did not require alterations or improvements. Features to Stop: Features that were not well perceived or did not resemble an accurate representation of the bile duct would need to be stopped in future developments.
Student Experience: General feedback on participant’s personal experiences during the workshops.	Positive Experience: Feedback reporting productive experience while utilizing the simulator. Negative Experience: Negative feedback in regards to the user's experience with the simulator.
Workshop Quality Assessment: Feedback that was provided was not specific to the bile duct simulator but rather to the workshop environment, coordination, or overall conference experience.	Elements to Add/Improve: Elements that were perceived positively by participants but required improvements in execution or additions to make the experience more all-encompassing and efficacious. Elements to Continue: Elements that were well perceived and did not require changes. Furthermore, aspects under this code are encouraged to be maintained in future reiterations of this conference or similar events.
Perception of Skills: Self-reported skill level before, during, and after the workshops.	Preparedness for Workshop: Student’s self-reported preparedness for the bile duct anastomosis workshop. Self-Reported Lack of Experience: Student’s self-reported feeling of being unprepared for the workshop. This includes but is not limited to inadequate previous experience with suturing or the procedure as a whole. Self-Reported Skills Development: Student’s self-report improvement in skills after participating in the workshop and practicing on simulators.