“…Specifically, the Sydney Multisite Intervention of LaughterBosses and ElderClowns (SMILE) trial, 16,17 the foot massage trial, 18,19 and the PARO trial 20‐22 had multiple articles which reported separate outcome measures. Fifteen studies were published prior to 2010 23‐37 and 28 studies were published from 2010 until the date of the search (December 18, 2018) 16‐22,38‐58 . Of the 39 RCTs, 17 were parallel‐group, 24,25,29‐34,36,37,44,45,50,52,53,55,56 16 were cluster RCTs, 16,17,20‐23,26,27,35,38‐40,42,46‐48,54,58 five were crossover trials, 18,19,43,49,51,57 and one was a factorial RCT 41 …”