Fighting the pandemic with collaboration at heart: Report from cardiologists in a COVID-19-dedicated Portuguese intensive care unit Pedro Ribeiro Queirós; Daniel Caeiro; Marta Ponte; Cláudio Guerreiro; Marisa Silva; Sara Pipa; Ana Lúcia Rios; Diana Adrião; Raul Neto; Pedro Teixeira; Gualter Silva; Mariana Silva; Nuno Dias Ferreira; Paula Castelões; Pedro Braga;