Figure 1From: A motivational interviewing intervention to PREvent PAssive Smoke Exposure (PREPASE) in children with a high risk of asthma: design of a randomised controlled trial Flowchart of the PREPASE study. BM = baseline measurement. M = Measurement. The first session starts 1Â month after the BM and take place once per month during 6Â months. The measurements take place every 3Â months after the BM.Back to article page