1. Institute of Materials Science and Engineering and Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, Missouri 63130, United States
2. Department of Electrical and Systems Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
3. Department of Medicine, Division of Bone and Mineral Diseases, Washington University in St. Louis, St. Louis, Missouri 63110, United States
4. Department of Anesthesiology, Washington University in St. Louis, St. Louis, Missouri 63110, United States
5. Siteman Cancer Center, Washington University in St. Louis, St. Louis, Missouri 63110, United States