1 Subjects: “...citation analysis...”

2 Subjects: “...bibliometric analysis...”

3 Subjects: “...keywords analysis...”

4 Subjects: “...bibliometric analysis...”

5 Subjects: “...path analysis...”

6 Subjects: “...thematic analysis...”

7 Subjects: “...cost analysis...”

8 Subjects: “...self-analysis...”

9 Subjects: “...co-integration analysis...”

10 Subjects: “... analysis; Longitudinal study; Qualitative analysis; Statistics; Germany; Switzerland; Denmark; Norway...”

11 Subjects: “...content-based analysis...”

12 Subjects: “...ROC analysis...”

13 Subjects: “...data analysis...”

14 Subjects: “...mixed qualitative and quantitative data collection and analysis...”

15 Subjects: “...content analysis...”

16 Subjects: “...multigroup analysis...”

17 Subjects: “...difference-in-differences analysis...”

18 Subjects: “...mediation analysis...”

19 Subjects: “...association analysis...”

20 Subjects: “...side channel analysis...”