From the *Department of Orthopaedic Surgery, Bioengineering Laboratory, MA General Hospital and Harvard Medical School, Boston, MA; †Department of Mechanical Engineering, MA Institute of Technology, Cambridge, MA; ‡Department of Spine Surgery, Tianjin Hospital, Tianjin, China; and §Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, MA.
Acknowledgment date: January 5, 2009. Revision date: February 10, 2009. Acceptance date: February 24, 2009.
The manuscript submitted does not contain information about medical device(s)/drug(s).
Foundation funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.
Address correspondence and reprint requests to Guoan Li, PhD, Bioengineering Laboratory, MA General Hospital and Harvard Medical School, 55 Fruit St, GRJ 1215, Boston, MA 02114; E-mail: [email protected]
