Accepted for Publication: August 14, 2014.
Published Online: November 3, 2014. doi:10.1001/jamaneurol.2014.2886.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was partly supported by US Department of Defense Breast Cancer Innovator award BC074986 (to Dr Ingber) and the Wyss Institute for Biologically Inspired Engineering at Harvard University.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Kristin Johnson (medical graphic artist, Vascular Biology Program, Boston Children’s Hospital, Boston, Massachusetts) prepared the figure. She did not receive compensation for her contribution.