1 Professor and senior associate dean, Virginia Commonwealth University School of Medicine, Richmond, Virginia; ssanten@vcu.edu; ORCID: http://orcid.org/0000-0002-8327-8002.
2 Senior analyst, Milestones Research and Evaluation, Accreditation Council for Graduate Medical Education, Chicago, Illinois.
3 Chief research, milestone development and evaluation officer, Accreditation Council for Graduate Medical Education, Chicago, Illinois; ORCID: https://orcid.org/0000-0003-0108-6021.
4 Vice president, Milestones Research and Evaluation, Accreditation Council for Graduate Medical Education, Chicago, Illinois; ORCID: https://orcid.org/0000-0002-0680-366X.