Wiechmann, Dirk
Article History
Received: 12 January 2023
Accepted: 14 March 2023
First Online: 4 May 2023
Declarations
:
: D. Wiechmann is the inventor of the WIN system. The WIN system is manufactured by Dirk Wiechmann Lingual Systems and Dirk Wiechmann is the owner of this company.
: This retrospective cohort study was approved by the ethical committee of the Hannover Medical School, Hannover, Germany (3151-2016).