“…Based on domains examined in an earlier review of longitudinal community and hospital placements [13], we extracted the following six structural characteristics for each LCP: date established, curricular vs. extracurricular, mandatory vs. elective, phase of training, program length, and program type (LIC, patient attachment, clinic attachment, or both patient and clinic attachment). We classified programs as LICs based on self-identification or by applying the 2007 consensus definition [15,16,18,19]. We defined ‘patient attachments’ as programs where students selected or were assigned patients to follow over time, either within a single venue or across multiple clinical sites.…”