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. 2021 Nov 16;21:575. doi: 10.1186/s12888-021-03547-x

Table 1.

Characteristics of the 44 studies included in qualitative synthesis

Characteristics n (%)
Year of publication
 2010–2011 7 (15.9)
 2012–2013 10 (22.7)
 2014–2015 6 (13.7)
 2016–2017 11 (25.0)
 2018–2019 10 (22.7)
Country
 Germany 5 (11.4)
 Sweden 7 (15.9)
 Denmark 4 (9.1)
 Netherlands 3 (6.8)
 Finland 4 (9.1)
 France 3 (6.8)
 Italy 3 (6.8)
 Norway 3 (6.8)
 Czech Republic 1 (2.1)
 Greece 1 (2.1)
 Ireland 1 (2.1)
 Spain 1 (2.1)
 UK 4 (9.1)
 Mix 4 (9.1)
Outcome
 Age at diagnosis 34 (77.3)
 Age at onset 9 (20.5)
 Both 1 (2.1)
Total 44 (100.0)