Figure 1
The diagram is divided into four vertical phases: “Identification”, “Screening”, “Eligibility”, and “Included”. Identification: At the top, a box states, “Records identified from Scopus database searching (n equals 461)”. Inside a black box below it, text reads: “STRATEGY: Time of the search: March 4, 2022 updated on December 6, 2024. Search queries: REF(Olsen Guthrie Humphrey 1999); REF(Olsen Humphrey Guthrie 2001); REF(Guthrie Olson Humphrey 1999). Filtering criteria: Articles in peer-review journals, in English only, from 1999 to 2024”. Screening: An arrow leads to a box reading “Records after duplicates removed (n equals 419)” with a side box labeled “Records duplicated (n equals 42)”. Another arrow leads to a box stating “Full-text articles published in A B S (2021) journal ranking (n equals 363)” with a side box labeled “Records non-A B S (n equals 56)”. Eligibility: An arrow leads to a box reading “Articles fit in the five N P F M themes and in the sixth category double open angle bracket Multiple N P F M themes double close angle bracket (n equals 325)” with a side box labeled “Articles out-of-scope (n equals 38)”. Included: A final arrow leads to the last box at the bottom labeled “Articles included in the review (n equals 325)”.PRISMA flow diagram