Correction: Do reporting guidelines have an impact? Empirical assessment of changes in reporting before and after the PRISMA extension statement for network meta-analysis

Affiliations

• ¹ Department of Primary Education, School of Education, University of Ioannina, Ioannina, Greece. averoniki@uoi.gr.
• ² Knowledge Translation Program, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada. averoniki@uoi.gr.
• ³ Department of Primary Education, School of Education, University of Ioannina, Ioannina, Greece.
• ⁴ Department of Hygiene, Social-Preventive Medicine and Medical Statistics, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
• ⁵ Department of Biostatistics, Faculty of Veterinary Medicine, Mustafa Kemal University, Tayfur Sökmen Kampüsü, 31060, Antakya, Hatay, Turkey.
• ⁶ Department of Orthodontics and Dentofacial Orthopedics, Dental School/Medical Faculty, University of Bern, Bern, Switzerland.
• ⁷ Cochrane Hypertension Review Group and the Therapeutics Initiative, University of British Columbia, Vancouver, Canada.
• ⁸ Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany.
• ⁹ Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.
• ¹⁰ Université de Paris, Research Center of Epidemiology and Statistics Sorbonne Paris Cité (CRESS UMR1153), INSERM, INRA, Paris, France.
• ¹¹ Cochrane France, Paris, France.
• ¹² Knowledge Translation Program, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada.
• ¹³ Department of Geriatric Medicine, University of Toronto, Toronto, ON, Canada.
• ¹⁴ Ottawa Hospital Research Institute, Ottawa, ON, Canada.
• ¹⁵ University of Ottawa School of Epidemiology and Public Health, Ottawa, ON, Canada.
• ¹⁶ Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
• ¹⁷ Paris Descartes University, Sorbonne Paris CitéFaculté de Médecine, Paris, France.