Serge Perrot, Caroline Schaefer, Tyler Knight, Meghan Hufstader, Arthi B Chandran* and Gergana Zlateva
* Corresponding author: Arthi B Chandran Arthi.B.Chandran@pfizer.com
BMC Musculoskeletal Disorders 2012, 13:22 doi:10.1186/1471-2474-13-22