Correction: Combining Free Text and Structured Electronic Medical Record Entries to Detect Acute Respiratory Infections

• Sylvain DeLisle, 
• Brett South, 
• Jill A. Anthony, 
• Ericka Kalp, 
• Adi Gundlapalli, 
• Frank C. Curriero, 
• Greg E. Glass, 
• Matthew Samore, 
• Trish M. Perl