“…In particular, the information types used in Lis-Gutierrez et al, (2017), production volume, document typology, number of citations, institutional affiliation of researchers, sources, main journals, and researcher country of origin, will be used. From the country information of researchers, scientific and institutional collaborations will be extracted (Ortoll et al, 2014). The quantity and quality of the scientific output of the topmost 50 countries in four basic sciences have been previously studied (NejatiSeyyed and Jenab, 2010).…”