Number	Search terms
1	phone*.af.
2	Telephon*.af.
3	telefon*.af.
4	telephone intervention.af.
5	call.af.
6	calls.af.
7	calling.af.
8	Hotline.af.
9	Telephone Hotlines.af.
10	Telephone Hotline.af.
11	Cellular Phones.af.
12	Cellular Telephone.af.
13	Cellular Telephones.af.
14	Cell Phones.af.
15	Mobile Phones.af.
16	Phones, Mobile.af.
17	exp telephone/
18	exp telemedicine/
19	exp teletherapy /
20	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 OR 15 OR 16 OR 17 OR 18 OR 19
21	exp human immunodeficiency virus/
22	hiv.ti. OR hiv.ab.
23	hiv‐1.ti. OR hiv‐1.ab.
24	hiv‐2.ti. OR hiv‐2.ab.
25	human immunodeficiency virus.ti. OR human immuno deficiency.ab.
26	human immuno‐deficiency virus.ti. OR human immuno‐deficiency virus.ab.
27	human immune‐deficiency virus.ti. OR human immune‐deficiency virus.ab.
28	acquired immune‐deficiency syndrome.ti. OR acquired immune‐deficiency syndrome.ab.
29	acquired immunedeficiency syndrome.ti. OR acquired immunedeficiency syndrome.ab.
30	acquired immunodeficiency syndrome.ti. OR acquired immunodeficiency syndrome.ab.
31	acquired immuno‐deficiency syndrome.ti. OR acquired immuno‐deficiency syndrome.ab.
32	exp acquired immune deficiency syndrome/
33	21 OR 22 OR 23 OR 24 OR 25 OR 26 OR 27 OR 28 OR 29 OR 30 OR 31 OR 32
34	20 AND 33