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Previously published methods
| Author | Method | Postoperative MRI | Reported Error |
|---|---|---|---|
| Dalal et al. (2008) | photography | no | 1.5 ± 0.5 |
| Hermes et al. (2010) | projection | no | 2.6 (median) |
| Dykstra et al. (2012) | spring model | no | 2.53, 3.0 |
| Yang et al. (2012) | projection with anchors | yes | 0.95 ± 0.81 |
| Pieters et al. (2013) | projection with anchors | yes | 2.0 |
