“…Twenty‐one studies gathered data concerning psychiatric comorbidities between both groups (Angst et al., ; Brockmeyer et al., ; Garyfallos et al., ; Gilmer et al., ; Hays et al., ; Ildirli et al., ; D. N. Klein et al., , , , ; J. P. Klein et al., ; Köhler et al., ; Ley et al., ; Murphy & Byrne, ; Riso et al., ; Satyanarayana et al., ; Sung et al., ; Szadoczky et al., ; van Randenborgh et al., ; Wiersma et al., , ). Thirteen studies found higher rates of axis I disorders (Angst et al., ; Gilmer et al., ; Ildirli et al., ; D. N. Klein et al., , , , ; Murphy & Byrne, ; Satyanarayana et al., ; Sung et al., ; van Randenborgh et al., ; Wiersma et al., , ).…”