“…Drugs and drug use. Ten training programs covered content related to drugs, including drug names, types and use [17,35,39,50], with seven opioid-specific [34,35,37,[41][42][43]53]. Eleven training programs also included information on the pharmacological effects of drugs [17,35,37,39,42,50] and addiction [30,34,35,41,42,44,50,52,53], the immediate and longterm effects and high-risk groups [30,41,42,52].…”