1 Department of Internal Medicine, Mayo Clinic, Rochester, MN; Department of Medicine, Sheikh Shakhbout Medical City, Mayo Clinic, Abu Dhabi, United Arab Emirates. Electronic address: hashmi.shahrukh@mayo.edu.
2 Mayo Clinic Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN.
3 Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN.