Funding for this research was provided by:
Chair of Family Business of University of A Coruña
Grupo de Investigación Jean Monnet de Competencia y Desarrollo at the University of A Coruña
Universidade da Coruña
Article History
Received: 15 April 2026
Accepted: 13 August 2026
First Online: 31 August 2026
Declarations
Conflict of Interest: The authors have no competing interests to declare that are relevant to the content of this article.
Ethics Approval: Not applicable.
Consent to Participate: Not applicable.
Consent for Publication (from patients/participants): Not applicable.
Availability of Data and Material: Data are available from the corresponding author upon request.
Code Availability: Not applicable.
Author Contributions: SS and BR conceptualized the study and acquired the funding. SS was responsible for developing the research question, while SS and BR jointly developed the search strategy. SS collected, managed, and analysed the data. SS, BR, and LC participated in the screening and selection of studies. BR and LC developed the conceptual framework. All authors contributed to writing the manuscript and read and approved the final manuscript.