<qa>  What is the classification of severity - moderate or severe persistent asthma?Retrospective data for eligible patients will be reviewed by participating investigators, physicians taking care of their patients, and recorded in the electronic CRF. Only patients who have been treated for asthma bronchiale classification of severity - moderate or severe persistent asthma with fixed combination for at least one year could be included into the study. There are no scheduled visits for any patient participating in the study. 