Recruitment and course of study (according to [31])
*1 No psychiatric disorder: n = 14 (22.2% of n = 63), intelligence quotient <70: n = 12 (19%), no missed lessons: n = 11 (17.5%),
at T1 in outpatient psychotherapy: n = 11 (17,5%), other: n = 15 (23.8%)
*2 Refused participation in the study because of the effort required as a result of the study conditions or therapy
ITT, intention to treat; Pt., patient