Fig. 2From: Heart rate monitoring to detect acute pain in non-verbal patients: a study protocol for a randomized controlled clinical trialTrial flow diagram.As the participant cannot give informed consent, it is the legal representative or parent who decides on participation or to withdraw. Screening includes diagnosis of severe or profound ID and fulfilling ASD diagnostic criteria. Assessments will take place at baseline (week 1), end of week 3 and post-treatmentBack to article page