title: Changes for the Future.
authors.affiliation: USC Spine Center, Los Angeles, California, United States.
authors.forename: Jeffrey C
authors.initials: JC
authors.lastname: Wang
authors.affiliation: Swedish Neuroscience Institute, Swedish Medical Center, Seattle, Washington, United States.
authors.forename: Jens R
authors.initials: JR
authors.lastname: Chapman
authors.affiliation: Department for Spinal Surgery, Hessingpark-Clinic, Augsburg, Germany.
authors.forename: Karsten
authors.initials: K
authors.lastname: Wiechert