Study ID	Item
	1			2			3		4		5
	a)	b)	c)	a)	b)	c)	a)	b)	a)	b)	a)	b)	c)	d)
Aglietti 1994	1	1	0	1	1	0	1	1	2	2	1	2	0	0
Aglietti 2004	1	1	0	1	1	1	2	0	2	2	1	2	0	1
Anderson 2001	1	2	0	1	1	0	2	1	2	2	1	2	0	0
Aune 2001	1	1	0	1	1	0	1	2	2	2	1	1	0	0
Beynnon 2002	1	1	0	1	1	0	2	0	2	2	1	2	0	1
Ejerhed 2003	1	1	1	1	1	0	1	0	2	2	1	2	0	0
Eriksson 2001	1	0	0	1	1	0	2	1	2	2	1	2	0	0
Feller 2003	1	2	0	1	1	0	1	1	2	2	1	2	0	0
Ibrahim 2005	1	0	0	1	1	0	0	0	2	2	0	0	0	0
Jansson 2003	1	1	0	1	1	0	1	1	2	2	1	2	0	1
Laxdal 2005	1	1	1	1	1	0	0	1	2	2	1	2	0	0
Maletis 2007	1	2	1	1	1	1	2	2	2	2	1	1	0	1
Marder 1991	1	1	0	1	1	0	0	0	2	2	0	1	0	0
Matsumoto 2006	1	1	0	1	1	0	1	1	2	2	1	2	0	0
O'Neill 1996	1	1	0	1	1	0	1	2	2	2	1	1	0	0
Ropke 2001	1	1	0	1	1	0	1	0	2	2	1	2	0	0
Sajovic 2006	1	1	0	1	1	0	1	2	2	2	1	2	0	0
Shaieb 2002	1	1	0	1	1	0	1	1	2	2	1	1	0	0
Zaffagnini 2006	1	1	0	1	1	0	1	0	2	2	1	1	1	0