Erratum to: Ten Years' Experience in Robotic-Assisted Thoracic Surgery for Early Stage Lung Cancer - Casiraghi, Monica; Galetta, Domenico; Borri, Alessandro; Tessitore, Adele; Romano, Rosalia; Diotti, Cristina; Brambilla, Daniela; Maisonneuve, Patrick; Spaggiari, Lorenzo (The Thoracic and Cardiovascular Surgeon, 2019)