Table 1.

Literature sources per country.

	UK	FR	NL	RO
Scientific literature study	Hobbs 2005, Krijthe 2013, Barra 2015, OECD 2011, Truelsen 2006, Le Heuzey et al. 2014, Shantsila 2015, Wilde 2006, Fitzmaurice 2005, Zhang 2012, ESC 2010	Charlemagne 2011, Cotte 2014, OECD 2011, Truelsen 2006, Touze 2005, Le Heuzey et al. 2014, Zhang 2012, Lévy 1999 ESC 2010	Krijthe 2013, Heemstra et al. 2011, OECD 2011, Truelsen 2006, Willemsen 2011, Camm 2010, Rosendaal 1996, Lip 2015, Malmivaara 2015 Arts 2013, ESC 2010	WHO, Zdrenghea 2009, Malmivaara 2015 Lip 2015 Purcarea 2009 ESC 2006, 2010
Grey literature (governmental reports and working documents)	NICE guideline 2006, 2014	PPSPR 2011, HAS 2014	NHG, CBO	—
Websites and databases of different (inter) national healthcare organizations	OECD 2011, NICE	OECD 2011	OECD 2011, Federatie van Nederlandse Trombosediensten	OECD 2011, OECD 2014
External expert	Gregory Lip	Jean-François Schved	Ron van ‘t Land	—