Table 4.

Top challenge cited by survey respondents related to having and maintaining a visiting medical student program at US and Puerto Rico allopathic medical schools (n = 73)^a.

Challenge	No. (%) of Responses
Overall, insufficient elective or clinical rotation slots to meet the demand	26 (36)
Insufficient elective or clinical rotation slots to meet the demand for a specific specialty	19 (26)
Widely variable eligibility criteria among departments and divisions at our institution	10 (14)
Insufficient funds	6 (8)
Lack of underrepresented minority visiting students	5 (7)
Lack of qualified visiting students	4 (5)
No response	3 (4)

^a Responses to question 29 in Additional file 1.