Institution: | aDivision of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA;bDivision of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA;cAcute Disease Investigation and Control Section, Minnesota Department of Health, St. Paul, Minnesota, USA;dDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA |