1. Department of Pediatric Cardiology and Pulmonology, Division of Pediatrics, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
2. Sleep Medicine Center, Department of Neurology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
3. Sections of Pediatric Sleep Medicine and Pulmonology, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, USA
4. Department of Public Health, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
5. School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
6. Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland