1. Section of Hematology Yale University School of Medicine New Haven Connecticut USA
2. Department of Health Policy and Management Harvard T.H. Chan School of Public Health Boston Massachusetts USA
3. Section of Infectious Diseases Boston Medical Center Boston Massachusetts USA
4. Department of Population Medicine Harvard Medical School and Harvard Pilgrim Healthcare Institute Boston Massachusetts USA
5. Section of Infectious Diseases Yale University School of Medicine New Haven Connecticut USA
6. Department of Epidemiology of Microbial Diseases Yale School of Public Health New Haven Connecticut USA
7. Department of Medicine and Department of Pathology & Laboratory Medicine, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA