| Duration (s) | Articles |
| 0.3–1 (8) | [77, 98, 99, 111, 129, 171, 177, 179] | 1.1-2 (27) | [37, 39, 40, 66, 79, 81–83, 103, 115, 131, 141, 147, 152–160, 163, 169, 173, 174, 176] | 2.1–5 (22) | [38, 42, 80, 89, 108–110, 124, 128, 140, 142–146, 148–150, 162, 166, 167, 175] | 5.1–10 (21) | [58, 84–86, 90, 102, 104–106, 112–114, 120–122, 126, 151, 161, 165, 168, 170] | 10.1–20 (8) | [78, 95, 101, 125, 127, 134, 135, 172] | 21–70 (7) | [94, 96, 107, 118, 119, 132, 164] | Not informed (19) | [26, 41, 87, 88, 91–93, 97, 100, 116, 117, 123, 130, 133, 136–139, 178] |
|
|