Accuracy in spinal level determination, including transitional vertebrae: an ASReview supported systematic review. - Liebrand B; Braunhofer L; van der Weegen W; Vissers K; Van Goethem J; Van Zundert J; van den Boogaart M; van der Wal S (European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2026)