Correction to: Long-acting bronchodilators improve exercise capacity in COPD patients: a systematic review and meta-analysis

Affiliations

• ¹ Respiratory Unit, Ospedale San Paolo, Department of Health Science, Università degli Studi di Milano, Via A. di Rudinì, 8-20142, Milan, Italy. [email protected].
• ² Clinical Epidemiology and Medical Statistics Unit, Department of Biomedical Sciences, University of Sassari, Sassari, Italy.
• ³ Department of Biomedical And Clinical Sciences (DIBIC), University of Milan, Milan, Italy.
• ⁴ Respiratory Unit, "Luigi Sacco" University Hospital; ASST Fatebenefratelli-Sacco, Milan, Italy.
• ⁵ Division of Respiratory and Critical Care Medicine, Respiratory Investigation Unit, Queen's University and Kingston General Hospital, Kingston, ON, Canada.
• ⁶ Insaf Respiratory Research Institute, Wiesbaden, Germany.
• ⁷ Cardiothoracic and Vascular Department, University of Pisa, Pisa, Italy.
• ⁸ Respiratory Unit, Ospedale San Paolo, Department of Health Science, Università degli Studi di Milano, Via A. di Rudinì, 8-20142, Milan, Italy.
• ⁹ Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
• ¹⁰ Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinic, Milan, Italy.