Acknowledgments
The authors would like to express their sincere thanks to the adolescents and their families for their collaboration in this study and to all the medical and nursing staff from the different pediatric pulmonology units that contributed to recruiting the participants and carrying out the measurements.
The authors would like to thank Willey Editing Services for their English language editing assistance.
Conflict of Interest: The authors declare that they do not have any conflicts of interest.
Data sharing statement: All available data can be obtained by contacting the corresponding author.