Phase I

October 2019 – May 2020

Measurements were completed in 102 eligible children and adolescents, aged 6 – 18 years, without respiratory disorders.

Phase II

May 2020 – August 2021 (anticipated)

Measurements in children and adolescents with asthma.

Target: 100 participants

Phase III

(anticipated) September 2021 – May 2022

Development and testing of the prediction tool.

Target: 50 children and adolescents with asthma