1. Department of Internal Medicine, Mayo Clinic School of Graduate Medical Education, Rochester, MN, USA
2. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
3. Department of Biostatistics, Mayo Clinic, Rochester, MN, USA
4. Department of Laboratory Medicine and Pathology, Hennepin Healthcare/HCMC, Minneapolis, MN, USA
5. Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
6. Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA