Thoracic surgery during the coronavirus disease 2019 (COVID-19) pandemic in Madrid, Spain: single-centre report - Hoyos Mejia, Lucas; Romero Roman, Alejandra; Gil Barturen, Mariana; Cordoba Pelaez, Maria del Mar; Campo-Canaveral de la Cruz, Jose Luis; Manuel Naranjo, Jose; Crolwey Carrasco, Silvana; Tanaka, Shin; Sanchez Calle, Alvaro; Varela de Ugarte, Andres; Gomez de Antonio, David (European Journal Of Cardio-Thoracic Surgery, 2020)