Point of View

From the Department of Orthopaedic Surgery, Rush Medical College, Rush-Presbyterian-St.Luke’s Medical Center, Chicago, Illlinois. The manuscript submitted does not contain information about medical devcice(s)/drug(s). Corporate/Industry, Federal, and Institutional funds were received in support of this work. No Benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript. Address correspondence to Howard S. An, MD, The Morton International Professor of Orthopaedic Surgery, Director, Division of Spine Surgery and Spine Fellowship Program, Department of Orthopaedic Surgery, Rush Medical College, Rush-Presbyterian-St.Luke’s Medical Center, 1725 West Harrison St. Suite 1063 POB, Chicago, IL 60612, USA; E-mail:[email protected]