Frank M. Phillips, MDProfessor and Director, Division of Spine SurgerySection Head, Minimally Invasive Spine SurgeryFellowship Co-Director, Spine SurgeryRush University Medical CenterChicago IL, USAIsador H. Lieberman, MD, MBA, FRCSCMedical DirectorTexas Back InstituteTexas Health Presbyterian Hospital Plano, Scoliosis and Spine Tumor CenterPlano, TX, United StatesDavid W. Polly, Jr., MDJames W. Ogilvie Professor and Chief of Spine SurgeryCatherine Mills Davis endowed chairDepartment of Orthopedic SurgeryProfessor (W)Department of NeurosurgeryUniversity of MinnesotaMinneapolis, MN, USAMichael Y. Wang, MD, FACSProfessor, Spine Director, & Chief of Neurosurgery at UMHDepartments of Neurological Surgery & Rehab MedicineThe Miller School of Medicine at the University of MiamiMiami, FL, United States