Nevalainen, Nea http://orcid.org/0000-0002-4580-4630
Luoto, Teemu M. http://orcid.org/0000-0002-7329-3284
Iverson, Grant L. http://orcid.org/0000-0001-7348-9570
Mattila, Ville M. http://orcid.org/0000-0001-9946-4830
Huttunen, Tuomas T. http://orcid.org/0000-0001-7884-7533
Article History
Received: 2 November 2021
Accepted: 24 January 2022
First Online: 4 February 2022
Declarations
:
: The research protocol for the present study was approved by the research committee of the National Institute of Health and Welfare (Dnro THL/1800/5.05.00/2019). Formal ethical approval or written informed consents were not required, because all the study data were collected retrospectively from national registries, and the data were analyzed in a pseudonymized fashion.
: Grant Iverson serves as a scientific advisor for NanoDX® (formerly BioDirection, Inc.), Sway Operations, LLC, and Highmark, Inc. He has a clinical and consulting practice in forensic neuropsychology, including expert testimony, involving individuals who have sustained mild TBIs. He has received research funding from the National Football League. He has also received research funding from the Harvard Integrated Program to Protect and Improve the Health of National Football League Players Association Members. He has received unrestricted philanthropic support from ImPACT Applications, Inc., the Mooney-Reed Charitable Foundation, Boston Bolts, Heinz Family Foundation, National Rugby League, and the Spaulding Research Institute. Nea Nevalainen, Teemu Luoto, Ville Mattila, and Tuomas Huttunen report no competing financial interests.