Correction: An Assessment of the Methodological Quality of Published Network Meta-Analyses: A Systematic Review

• James D. Chambers, 
• Huseyin Naci, 
• Olivier J. Wouters, 
• Junhee Pyo, 
• Shalak Gunjal, 
• Ian R. Kennedy, 
• Mark G. Hoey, 
• Aaron Winn, 
• Peter J. Neumann