“…Several studies have shown that even short courses could increase knowledge on addiction medicine [36,37,38,39,40]. Moreover, courses have also been shown to induce more professional perceptions of and attitude toward patients with SUDs [36,37,38,39,41,42,43,44]. These studies cover the full range of undergraduate level [32,36,38,40], general physician level [37,39,40,42,43,44,45] and addiction specialist level [41].…”