1. Departments of Mechanical Engineering and Bioengineering, University of California , Berkeley, CA 94720, United States
2. Department of Research & Evaluation, Kaiser Permanente Southern California , Pasadena, CA 91101, United States
3. Bone and Mineral Unit, Oregon Health & Science University , Portland, OR 97239, United States
4. Division of Endocrinology, Kogod Center on Aging, Mayo Clinic , Rochester, MN 55905, United States
5. Department of Medicine, Toni Stabile Osteoporosis Center, Columbia University Medical Center , New York, NY 10032, United States
6. Oregon Osteoporosis Center , Portland, OR 97225, United States
7. Department of Orthopedic Surgery , Harvard Medical School, , Boston, MA 02215, United States
8. Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center , Harvard Medical School, , Boston, MA 02215, United States
9. Department of Endocrinology, Kaiser Permanente Southern California , Panorama City, CA 91402, United States
10. O.N. Diagnostics LLC , Berkeley, CA 94704, United States