1. Department of Critical Care, Mayo Clinic, Jacksonville, Florida.
2. Department of Neurology, Mayo Clinic, Jacksonville, Florida.
3. Department of Pulmonary and Critical Care Medicine, Mayo Clinic, Phoenix, Arizona.
4. Clinical Research Internship Scholars Program (CRISP), Mayo Clinic, Jacksonville, Florida.
5. Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Jacksonville, Florida.
6. Department of Laboratory Medicine and Pathology, Mayo Clinic, Jacksonville, Florida.
7. Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida.
8. Department of Critical Care, Mayo Clinic, Rochester, Minnesota.
9. Department of Neurology, Mayo Clinic, Rochester, Minnesota.