Consensus Head Acceleration Measurement Practices (CHAMP): Origins, Methods, Transparency and Disclosure.

"Conflict of interest The following competing interests are disclosed. KBA received support for attendance and participation in the CHAMP conference from Football Research Inc (payments made to institution), JBC received support for attendance in the CHAMP conference from the NFL, JRC and JRF received support for attendance and participation in the CHAMP conference from the NFL and Football Research Inc (payments made to institution). The following authors received grants or contracts from relevant entities paid to their institution: KBA (Football Research Inc., Chuck Noll Brain Research Foundation), SPB (NCAA), TAB (State Space Labs, Henry M. Jackson Foundation for the Advancement of Military Medicine, NCAA, University of Nevada COBRE), JBC (American College of Sports Medicine), JRC (Football Research Inc., NFL). The following authors received consulting fees from the following entities: KBA (NFL Players Association), JRC (NASCAR Head, Neck and Spine Committee), JRF (Football Research Inc.), ASM (Racing Australia, Transport for New South Wales, Australian Football League, Worksafe Victoria, International Olympic Committee, Cricket Australia), GS (NFL). The following authors received payment for lectures or presentations: KBA (American Academy of Pediatrics), TAB (Journal of Sport and Health Sciences, Precision Athletic Training, Eastern Athletic Trainers Association, Pennsylvania Athletic Trainers Society, Shandong Sport University), JBC (Child Neurology Society, Eastern Athletic Trainers Association), JRF (Football Research Inc.), The following authors received support for attending meetings: KBA (NFLPA, Football Research Inc., NOCSAE Scientific Advisory Committee), JBC (American College of Sports Medicine, Child Neurology Society, Eastern Athletic Trainers Association), JRC (Football Research Inc., NFL), JRF (NFL), ASM (International Olympic Committee). The following authors serve on the following advisory boards or committees: KBA (NOCSAE Scientific Advisory Board, NFL Engineering Committee, NFL Sensor Committee), JRC (NASCAR Head, Neck, and Spine Committee, NFL Engineering Committee), ASM (Standards Australia Committee, ISO working group on occupational protective helmets)."

"Funding Support for the CHAMP consensus conference was obtained from the National Football League and Football Research Inc."