1. Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California;
2. Division of Infectious Diseases, Department of Internal Medicine, Davis School of Medicine, University of California, Sacramento, California;
3. Critical Care Medicine and Pulmonary Disease, Montage Health, Monterey, California;
4. Department of Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio;
5. Division of Oncology, Department of Medicine, Stanford Health Care, Stanford, California;
6. Department of Pathology, Stanford University School of Medicine, Stanford, California