“…The most common was training, but this intervention varied from general instructions to intensive training sessions of different time lengths. Training could be one-to-one [28,53,84,98,105,106,123], tailored to users' needs [49, 57,72,74,82], or in group workshops [31,41,42,52,69,81,85,104,113]. In some studies, training was given to superusers who could then train others [63,79,93,99,116,120].…”