Missing sputum samples are common in asthma intervention studies and successful collection at follow-up is related to improvement in clinical outcomes

• Laurits Frøssing,
• Morten Hvidtfeldt,
• Alexander Silberbrandt,
• Asger Sverrild,
• Celeste Porsbjerg

Affiliations

Laurits Frøssing

Respiratory Research Unit, Dept of Respiratory Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark

Morten Hvidtfeldt

Respiratory Research Unit, Dept of Respiratory Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark

Alexander Silberbrandt

Respiratory Research Unit, Dept of Respiratory Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark

Asger Sverrild

Respiratory Research Unit, Dept of Respiratory Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark

Celeste Porsbjerg

Respiratory Research Unit, Dept of Respiratory Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Denmark