“…There were 17 studies from developed countries [31,35,36,37,39,41,42,43,44,45,46,47,48,49,51,52,54] and six studies from developing countries [29,30,38,40,50,53] according to the World Economic Situation and Prospects (WESP) report. According to the WESP and Organization for Economic Co-operation and Development (OECD), there is no established convention for the designation of “developed” and “developing” countries, but in common practice, Japan, Canada, the USA and European countries, for example, are considered “developed” countries, while Mexico and Brazil are considered to be “developing” countries [59].…”