Most advice to applicants focuses on the personal statement and description of work or activities required to complete the initial centralized application
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Read the prompt carefully.
How does the SOM value diversity? How do you feel your lived experience aligns with this commitment to diversity? In other words, it's not just about you... it's about how SOM values your diversity/uniqueness.
Read the AAMC DEI Competencies document which is cited in the above article.