Published on in Vol 15, No 11 (2013): November
1 McMaster University, Department of Clinical Epidemiology and Biostatistics, Health Information Research Unit, Hamilton, ON, Canada
*these authors contributed equally
Published on in Vol 15, No 11 (2013): November
1 McMaster University, Department of Clinical Epidemiology and Biostatistics, Health Information Research Unit, Hamilton, ON, Canada
*these authors contributed equally