“…Most publications reported on qualitative methods [ 15 , 76 , 78 , 81 , 83 , 86 , 89 , 91 , 92 ], with others using mixed methods [ 75 , 77 , 79 , 80 , 84 , 85 , 87 , 88 ], and the remaining five leaning on quantitative methods [ 73 , 74 , 82 , 90 , 93 ]. Most of the interventions were longitudinal, with much of the data collection using a longitudinal approach to evaluate the impact of the intervention on professional identity [ 73 – 77 , 79 , 82 , 84 – 88 , 93 ]. Others drew one timepoint, using–for instance–single interviews, limiting the potential to gauge impact over time.…”