Table 1.

Scoping review framework

	Aspects
Charting dimensions (studies)
Geographic localization and author affiliations	1) Country where study was developed 2) Region/Country where study was published 3) Author affiliations (by type) 4) Journal name
Study designs and timeframe	1) Year of publication 2) Study design
Thematic cluster categories	1) Supply related market dynamics 2) Demand related market dynamics 3) Product related market dynamics 4) Trading strategies 5) Regulatory approaches
Charting dimensions specific to grey literature
Origin	1) WHO 2) OECD 3) World Bank 4) Other grey literature
Timeframes and publication type	1) Year of publication 2) Type of publication (report, working paper, discussion paper, series)