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Table 1 Example of search strategy

From: Availability and performance of image/video-based vital signs monitoring methods: a systematic review protocol

1 (remote*).ab,ti.
2 (measur*).ab,ti.
3 (imag*).ab,ti.
4 (monitor*).ab,ti.
5 (camera* OR webcam* OR web-cam* OR video).ab,ti.
6 (invasive* OR non-invasive* OR noninvasive OR contact* OR non-contact* OR noncontact* OR remote*).ab,ti.
7 (respira* OR respiratory rate OR breathing rate OR pulse OR heart rate OR blood pressure OR SpO2).ab,ti.
8 1 AND 2 AND 5
9 2 AND 3 AND 6 AND 7
10 4 AND 6 AND 7
11 5 AND 6
12 “Monitoring, Physiologic/methods”[MAJR]
13 5 AND 12
14 6 AND 12
15 8 OR 9 OR 10 OR 11 OR 13 OR 14
  1. *Word truncation search