1. Knowledge Delivery Center, Mayo Clinic College of Medicine, Rochester, MN, USA
2. Mayo Clinic Online Learning, Mayo Clinic College of Medicine, Rochester, MN, USA
3. Department of Medicine, Mayo Clinic, Rochester, MN, USA
4. Department of Biomedical Informatics, University of Utah, Salt Lake City, UT, USA
5. Informatics Institute, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA