#	Searches	Results
1	posttraumatic stress disorder/ or complex ptsd/ or desnos/ or acute stress disorder/ or combat experience/ or "debriefing (psychological)"/ or emotional trauma/ or post‐traumatic stress/ or exp stress reactions/ or traumatic neurosis/	50806
2	exp disasters/	8186
3	(PTSD or ((posttrauma* or post‐trauma* or post trauma*) adj3 (stress* or disorder* or psych* or symptom?)) or acute stress disorder* or combat disorder* or war neuros*).ti,ab.	38985
4	(((acute or traumatic) adj stress*) and (expos* or psyc*)).ti,ab.	16755
5	(traumati#ed adj (victim? or survivor?)).ti,ab.	68
6	(trauma* adj2 (event? or memor* or flashback* or nightmare?)).ti,ab.	11819
7	(EMDR or (eye movement desensiti#ation and reprocessing)).ti,ab.	1640
8	((trauma* or posttrauma* or post‐trauma* or victim* or survivor?) and (exposure adj3 (therap* or psychotherap* or training or counsel*))).ti,ab.	1086
9	crisis intervention/	3314
10	(critical incident adj (stress or debrief* or de‐brief*)).ti,ab.	443
11	(debriefing or de‐briefing).ti,ab.	2186
12	(crisis intervention? or CISD).ti,ab.	3505
13	((stress or group? or psychological or crisis) adj3 (debrief* or de‐brief*)).ti,ab.	596
14	(trauma* adj2 (event? or memor* or flashback* or nightmare?)).ti,ab.	11819
15	1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14	80813
16	clinical trials.sh.	10820
17	(randomi#ed or randomi#ation or randomi#ing).ti,ab,id.	72509
18	(RCT or at random or (random* adj3 (assign* or allocat* or control* or crossover or cross‐over or design* or divide* or division or number))).ti,ab,id.	82020
19	(control* and (trial or study or group) and (placebo or waitlist* or wait* list* or ((treatment or care) adj2 usual))).ti,ab,id,hw.	25590
20	((single or double or triple or treble) adj2 (blind* or mask* or dummy)).ti,ab,id.	24054
21	trial.ti.	25583
22	placebo.ti,ab,id,hw.	37267
23	treatment outcome.md.	18762
24	treatment effectiveness evaluation.sh.	21858
25	mental health program evaluation.sh.	2028
26	16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25	169119
27	15 and 26	4124
28	(2014* or 2015* or 2016* or 2017* or 2018*).yr,dc,mo.	782907
29	27 and 28	1449