1KU Leuven, Dept of Rehabilitation Sciences, Leuven, Belgium
2Epi ISGlobal,环境研究中心demiology (CREAL), Barcelona, Spain
3Universitat Pompeu Fabra (UPF), Barcelona, Spain
4CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
5University Hospitals Leuven, Dept of Respiratory Diseases, Leuven, Belgium
17Both authors contributed equally