Partha Sarathy, Prasanna, Kottam, Lucksy, Mitchell, Alex, Parker, Adwoa, Brealey, Stephen, Coleman, Elizabeth, Northgraves, Matthew, Torgerson, David, Rangan, Amar, Keding, Ada, "Timing of electronic reminders did not improve trial participant questionnaire response: a randomized trial and meta-analyses", Journal of Clinical Epidemiology, 2020