Marionneau, Virve
Selin, Jani
Impinen, Antti
Roukka, Tomi
Funding for this research was provided by:
University of Helsinki
Article History
Received: 9 June 2023
Accepted: 10 March 2024
First Online: 14 March 2024
Declarations
:
: Not applicable. The study did not require an ethics approval based on the guidelines of the Finnish National Board on Research Integrity. All research and methods were carried out in accordance with the guidelines and regulations of the Finnish National Board on Research Integrity. The data were given for this study based on a statutory duty as defined in the Finnish Lotteries Act (ยงย 55). No further administrative permissions were required to access the data. The study did not involve human data. The sales data used was already anonymous. The data were also indexed before reporting.
: Not applicable.
: The authors declare no competing interests.