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. 2020 May 5;44:100782. doi: 10.1016/j.dcn.2020.100782

Fig. 1.

Fig. 1

Flowchart of inclusion of samples (including demographic information) at various stages of the study.

Note. MZ = monozygotic twin pairs; 1 Diagnosed Axis-I disorders: ADHD and/or ADD (eight participants), PDD-NOS (one participant), generalized anxiety disorder (GAD; one participant); 2 Diagnosed Axis-I disorders: ADHD and/or ADD (six participants), PDD-NOS (one participant), GAD (one participant); 3 Diagnosed Axis-I disorders: ADHD and/or ADD (five participants), PDD-NOS (one participant), GAD (one participant).