1. Department of Family Medicine and Faculty Development, Ohio University Heritage College of Osteopathic Medicine, Dublin, OH, USA.
2. Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, MN, USA.
3. Department of Biomedical Sciences, Ohio University Heritage College of Osteopathic Medicine, Dublin, OH, USA.
4. Department of Medical Education, Southern Illinois University School of Medicine, Springfield, IL, USA.