“…One of the programs used for the literature analysis is also CiteSpace [36][37][38][39], which we decided to use as a research tool due to its universality compared to other software. The CiteSpace 6.1.R3 software was created by Dr. Chen of Drexel University, and it can visualize bibliometric results, show knowledge maps of science development and structural interaction, and identify future research status, research focuses, and recent developments of disciplines via statistical analysis [40]. Its design and functionalities are based on Kuhn's theory of scientific development model, Price's frontier theory of science, social network analysis theory, structural holes network theory, etc.…”