Kirsty Loudon research assistant, Shaun Treweek professor of health services research, Frank Sullivan director of University of Toronto Practice-Based Research Network (UTOPIAN), Gordon F Cheesbrough chair in family and community medicine, Peter Donnan professor of epidemiology and biostatistics, director of Dundee Epidemiology & Biostatistics Unit (DEBU), co-director of Tayside Clinical Trials Unit (TCTU), Kevin E Thorpe assistant professor; head of biostatistics, Merrick Zwarenstein director et al
Loudon Kirsty, Treweek Shaun, Sullivan Frank, Donnan Peter, Thorpe Kevin E, Zwarenstein Merrick et al.
The PRECIS-2 tool: designing trials that are fit for purpose
BMJ 2015; 350 :h2147