1. Division of Infectious Diseases, Department of Medicine, Houston Methodist Hospital , Houston, Texas , USA
2. Center for Infectious Diseases, Houston Methodist Research Institute , Houston, Texas , USA
3. Department of Medicine, Weill Cornell Medical College , New York, New York , USA
4. Division of Pulmonary, Critical Care, and Sleep Medicine, Houston Methodist Hospital , Houston, Texas , USA
5. Department of Population Medicine, Harvard Medical School , Boston, Massachusetts , USA
6. Texas A&M College of Medicine , Houston, Texas , USA