1. S Costi, PT, MSc, is Physical Therapist, Section of Respiratory Disease, Department of Oncology, Haematology, and Respiratory Disease, University of Modena and Reggio Emilia, Via del Pozzo 74, 41100 Modena, Italy.
2. M Di Bari, MD, is Doctor, Department of Critical Care Medicine and Surgery, Unit of Gerontology and Geriatrics, University of Florence and Azienda Ospedaliero-Universitaria Careggi, Florence, Italy.
3. P Pillastrini, PT, MSc, is Physical Therapist, Department of Neurological Sciences, Occupational Medicine Unit, S Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
4. R D'Amico, PhD, is Statistician, Section of Respiratory Disease, Department of Oncology, Haematology, and Respiratory Disease, University of Modena and Reggio Emilia.
5. E Crisafulli, MD, is Doctor, Department of Pulmonary Rehabilitation, Ospedale Villa Pineta, Pavullo, Modena, Italy.
6. C Arletti, PT, BSc, Physical Therapist, Anni Azzurri, Ducale 1, 2, 3, Modena, Italy.
7. LM Fabbri, MD, is Doctor, Section of Respiratory Disease, Department of Oncology, Haematology, and Respiratory Disease, University of Modena and Reggio Emilia.
8. EM Clini, MD, FCCP, is Doctor, Section of Respiratory Disease, Department of Oncology, Haematology, and Respiratory Disease, University of Modena and Reggio Emilia, and Department of Pulmonary Rehabilitation, Ospedale Villa Pineta.