1. Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
2. Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Canary Center for Early Cancer Detection, Palo Alto, California 94304;
3. Department of Global Health and Population, Harvard School of Public Health, Harvard Medical School, Boston, Massachusetts 02115
4. Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115