Correction: Correlation between National Influenza Surveillance Data and Google Trends in South Korea

• Sungjin Cho, 
• Chang Hwan Sohn, 
• Min Woo Jo, 
• Soo-Yong Shin, 
• Jae Ho Lee, 
• Seoung Mok Ryoo, 
• Won Young Kim, 
• Dong-Woo Seo