Predatory journals: no definition, no defence

Agnes Grudniewicz is an assistant professor at the Telfer School of Management, University of Ottawa, Canada.

David Moher is a senior scientist and director at the Centre for Journalology, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada.

Kelly D. Cobey is an investigator at the Centre for Journalology, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada.

Gregory L. Bryson is an associate professor and vice-chair for research in the Department of Anesthesiology and Pain Medicine at the University of Ottawa, Canada.

Samantha Cukier is a senior clinical research associate at the Centre for Journalology, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada.

Kristiann Allen is a senior lead for policy and international engagement at the Centre for Science in Policy, Diplomacy and Society, University of Auckland, New Zealand.

Clare Ardern is a senior researcher in the physiotherapy division, Karolinska Institute, Stockholm, Sweden.

Lesley Balcom is dean of libraries at the University of New Brunswick, Fredericton, Canada.

Tiago Barros is a product lead at Publons, London, UK.

Monica Berger is an associate professor at New York City College of Technology, The City University of New York (CUNY), USA.

Jairo Buitrago Ciro is a PhD student at the University of Ottawa, Canada.

Lucia Cugusi is a researcher at the Department of Medical Sciences and Public Health, University of Cagliari, Italy.

Michael R. Donaldson is an open-access specialist at Canadian Science Publishing (CSP), Ottawa, Canada.

Matthias Egger is president of the National Research Council of the Swiss National Science Foundation (SNSF), Switzerland.

Ian D. Graham is a professor in the School of Epidemiology and Public Health, University of Ottawa, Canada.

Matt Hodgkinson is head of research integrity at Hindawi, London, UK.

Karim M. Khan is a professor at the Department of Family Practice and School of Kinesiology, University of British Columbia, Vancouver, Canada.

Mahlubi Mabizela is chief director at University Education Policy and Development, Department (Ministry) of Higher Education and Training, South Africa.

Andrea Manca is a researcher at the Department of Biomedical Sciences, University of Sassari, Italy.

Katrin Milzow is head of strategy support division at the Swiss National Science Foundation (SNSF), Switzerland.

Johann Mouton is director at the Centre for Research on Evaluation, Science and Technology, Stellenbosch University, South Africa.

Marvelous Muchenje is manager of health promotion and community engagement, Women’s Health in Women’s Hands Community Health Centre, Toronto, Canada.

Tom Olijhoek is editor-in-chief at the Directory of Open Access Journals (DOAJ), the Netherlands.

Alexander Ommaya is senior director of clinical and translational research and policy at the Association of American Medical Colleges, Washington DC, USA.

Bhushan Patwardhan is the vice-chairman at the University Grants Commission, New Delhi, India.

Deborah Poff is editor-in-chief, Journal of Academic Ethics, Canada.

Laurie Proulx is vice-president at the Canadian Arthritis Patient Alliance (CAPA), Canada.

Marc Rodger is vice-president of research, Association of Faculties of Medicine of Canada, Ottawa, Canada.

Anna Severin is a doctoral researcher at the Swiss National Science Foundation (SNSF), Switzerland.

Michaela Strinzel is a scientific collaborator at the Swiss National Science Foundation (SNSF), Switzerland.

Mauro Sylos-Labini is an associate professor at the Department of Political Science, University of Pisa, Italy.

Robyn Tamblyn is a scientific director at the Clinical and Health Informatics Research Group, McGill University, Montreal, Canada.

Marthie van Niekerk is centre manager at the Centre for Research on Evaluation, Science and Technology, Stellenbosch University, South Africa.

Jelte M. Wicherts is a professor at the Department of Methodology and Statistics, Tilburg University.

Manoj M. Lalu is an assistant professor, Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa Hospital Research Institute, Canada.