*2.2. Data Extraction*

Two independent researchers extracted the following data from the final library of papers: (1) author names, (2) publication title, (3) publication year, (4) journal's title of publication, (5) authors' keywords, (6) author affiliations, (7) corresponding author details, (8) number of citations, (9) research areas and (10) abstract. Any inconsistencies in the extracted data by the two researchers were resolved by discussion.
