“…behavioural or community care] (6), [55,57,58,[63][64][65] stimulants versus non-stimulants (3) [60][61][62] and stimulants versus stimulants (7). [54][55][56][57][58][59]62] Several studies included more than one category. [54,55,57,58,[60][61][62] The majority of studies were conducted in the US (4) [54,56,64,65] and UK (5); [53,57,60,62,63] the remaining studies were conducted in Canada (1), [55] Australia (1), [58] the Netherlands (1) [59] and Spain (1).…”