Table 1.

Search strategy for Ovid MEDLINE

1.	Telemedicine/
2.	Telecommunications/
3.	Electronic mail/
4.	Satellite communications/
5.	Remote consultation/
6.	Telephone/
7.	Cellular phone/
8.	Modems/
9.	Television/
10.	Videoconferencing/
11.	Video recording/
12.	Webcasts as topic/
13.	Wireless technology/
14.	exp Computer communication networks/
15.	or/1-14
16.	tele*.tw.
17.	(e-mail* or electronic mail*).tw.
18.	(ehealth* or e-health*).tw.
19.	(e-medicine* or emedicine*).tw.
20.	(videoconferen* or video-conferen*).tw.
21.	(videophone* or video-phone*).tw.
22.	medical record system*.tw.
23.	((mobile* or phone* or telephone*) adj3 (consult* or counsel*)).tw.
24.	((mobile* or phone* or telephone*) adj3 (follow up* or support* or interview*)).tw.
25.	(distan* adj4 (health* or consult* or counsel* or monitor*or treatment*)).tw.
26.	(remote* adj4 (health* or consult* or counsel* or monitor* or treatment*)).tw.
27.	image trans*.tw.
28.	picture trans*.tw.
29.	or/16-28
30.	or/15 or 29
31.	exp Leg ulcer/
32.	((leg or crural or cruris or venous or varicose or stasis or foot or plantar or sole or plantaris or pedis) adj2 (ulc* or sore* or wound*)).tw.
33.	(diabet* adj2 (foot* or feet* or ulc* or sore* or wound*)).tw.
34.	or/31-33
35.	30 and 34

*The asterisk (*) was used for truncation to search multiple forms of a free-text term (singular/plural, variable spellings, etc.), e.g. “ulc*” to find “ulcer”, “ulcers”, “ulcus”.