Erratum to "A systematic survey identified 36 criteria for assessing effect modification claims in randomized trials or meta-analyses" [J Clin Epidemiol. 2019;113:159-67]
1 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada; Department of Clinical Research, Basel Institute for Clinical Epidemiology and Biostatistics, University of Basel and University Hospital Basel, Spitalstrasse 12, 4056 Basel, Switzerland. Electronic address: s.schandelmaier@gmail.com.
2 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada.
3 Chair of Epidemiology and Preventive Medicine, Department of Hygiene and Dietetics, Jagiellonian University Medical College, Krakow, Poland.
4 Indian Institute of Public Health-Delhi, Public Health Foundation of India, Plot 47, Sector 44, Institutional Area, Gurgaon, 122002 Haryana, India.
5 JC School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong.
6 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada; Michael G. DeGroote School of Medicine, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada.
7 Department of Medicine, University of Toronto, 190 Elizabeth Street, R. Fraser Elliott Building, 3-805, Toronto, Ontario M5G 2C4, Canada.
8 Department of Clinical Research, Basel Institute for Clinical Epidemiology and Biostatistics, University of Basel and University Hospital Basel, Spitalstrasse 12, 4056 Basel, Switzerland.
9 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada; Center for Evidence-based Chinese Medicine, Beijing University of Chinese Medicine, 11 Bei San Huan Dong Lu, Chaoyang, Beijing 100029, China.
10 Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, China.
11 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada; Biostatistics Unit, St Joseph's Healthcare - Hamilton, 50 Charlton Street East, Hamilton, Ontario L8N 4A6, Canada.
12 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada; Department of Medicine, McMaster University, 1200 Main Street West, Hamilton, Ontario L8S 4L8, Canada.
13 Health Research Methods, Evidence, and Impact, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada; Department of Clinical Research, Basel Institute for Clinical Epidemiology and Biostatistics, University of Basel and University Hospital Basel, Spitalstrasse 12, 4056 Basel, Switzerland.