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1 Department of Respiratory Medicine, General University Hospital Gregorio Marañon, Faculty of Medicine, Complutense University of Madrid, Gregorio Marañon Health Research Institute (IiSGM), Madrid, Spain. Electronic address: stephbrionesa@gmail.com.
2 Department of Respiratory Medicine, General University Hospital Gregorio Marañon, Faculty of Medicine, Complutense University of Madrid, Gregorio Marañon Health Research Institute (IiSGM), Madrid, Spain.
1 Department of Respiratory Medicine, General University Hospital Gregorio Marañon, Faculty of Medicine, Complutense University of Madrid, Gregorio Marañon Health Research Institute (IiSGM), Madrid, Spain. Electronic address: stephbrionesa@gmail.com.
2 Department of Respiratory Medicine, General University Hospital Gregorio Marañon, Faculty of Medicine, Complutense University of Madrid, Gregorio Marañon Health Research Institute (IiSGM), Madrid, Spain.