1. Pleural Medicine Unit, Department of Internal MedicineArnau de Vilanova University Hospital Lleida Spain
2. Research Group of Cancer BiomarkersIRBLleida Lleida Spain
3. Department of Laboratory MedicineArnau de Vilanova University Hospital Lleida Spain
4. Department of PathologyArnau de Vilanova University Hospital Lleida Spain
5. Department of ImmunologyInstitut de Recerca, Hospital de la Santa Creu i Sant Pau Barcelona Spain
6. Department of Medical OncologyArnau de Vilanova University Hospital Lleida Spain