Table 1.

Characteristics of included case reports and series

Characteristic	Total	N	%
		83	100
Year of publication	2015	10	12
	2014	9	11
	2013	3	4
	2012	7	8
	2011	6	7
	2010	9	11
	2009	9	11
	2008	8	10
	2007	3	4
	2006	3	4
	2005	4	5
	2004	4	5
	2003	1	1
	2002	3	4
	2001	1	1
	2000	3	4
Number of cases reported	1	78	94
	2	2	2
	3	3	4
Country	UK	15	18
	USA	14	17
	India	11	13
	Turkey	6	7
	Japan	6	7
	Brazil	4	5
	Spain	3	4
	Other (21)	24	29

N = number of studies.