Additional file 1.The SATS-28 is available from the author: Candace Schau (CS Consultants, LLC, Albuquerque, NM 87111; cschau@comcast.net). The pretest versions of the SATS-28 can be viewed at: http://www.evaluationandstatistics.com. webcite Format: PDF Size: 287KB Download file This file can be viewed with: Adobe Acrobat Reader Zhang et al. BMC Medical Education 2012 12:117 doi:10.1186/1472-6920-12-117 |