Protocol for the development of a tool (INSPECT-SR) to identify problematic randomised controlled trials in systematic reviews of health interventions oleh Elizabeth Loder, Jill Alison Hayden, David Torgerson, Tianjing Li, Wentao Li, Rui Wang, Ben W Mol, Lisa Bero, Jamie J Kirkham, Lisa Parker, Mike Clarke, Jo C Dumville, Calvin Heal, Lyle Gurrin, Andreas Lundh, Madelon van Wely, Toby Lasserson, Alison Avenell, Neil E O'Connell, Andrew Grey, Jack Wilkinson, George A Antoniou, Kylie Elizabeth Hunter, Patrick Dicker, Zarko Alfirevic, Ella Flemyng, Sarah Lensen, Emma Sydenham, Ginny Barbour, Emily Lam, Gideon Meyerowitz-Katz, James Heathers, Nicholas J L Brown, John Carlisle, Steph Grohmann, Barbara K Redman, Lene Seidler, Kyle A Sheldrick