First Online: 24 September 2015
: A.M. declares research grants from Paradigm Spine LLC (New York City, New York, USA), two patent applications on behalf of Sainte-Justine University Hospital and nine issued patents owned by Centre hospitalier universitaire Sainte-Justine, which has signed a licensing agreement with Paradigm Spine LLC. I.A.S. declares a consulting agreement with K Spine Inc. (Minnetonga, Minnesota, USA). P.O.N. declares consulting and royalty agreements with DePuy Synthes Spine regarding posterior spinal implant systems. He holds patents on anterior and posterior spinal instruments and implants for spinal fusion, as well as implants for spinal growth modulation from DePuy Synthes through the Setting Scoliosis Straight Foundation/Harms Study Group. All other authors declare no conflict of financial interest.