Appendix 2:

Gray Literature Search

DateDatabaseURLSearch StrategyNo. Items Retrieved*No. Screened (Uploaded to Citation Manager)
January 14, 2020ClinicalTrials.govClinicalTrials.gov(Informatics OR order entry OR phone OR handheld OR application OR reminder OR alert OR electronic OR tool OR prescription drug monitoring database OR decision support) AND opioids11915
January 14, 2020WHO ICTRPhttps://www.who.int/ictrp/en/Opioid AND decision support
Opioid AND electronic
Opioid AND informatics
Opioid AND reminder
Opioid AND prescription drug monitoring program
Opioid AND alert
Opioid AND application
Opioid AND tool
Opioid AND phoneOpioid AND handheld
7
14
0
0
1
1
5
6
29
7
2
1
0
0
0
0
0
0
0
1