Department of Anaesthetics and Critical Care, Harefield Hospital, Royal Brompton and Harefield National Health Service Foundation Trust, London, United Kingdom
Marcelo Haertel Miglioranza, MD, PhD
Institute of Cardiology–University Foundation of Cardiology, Porto Alegre, Brazil; PREVENCOR–Mae de Deus Hospital, Porto Alegre, Brazil; Address for correspondence: Dr. Marcelo Haertel Miglioranza, Cardiovascular Imaging Research Group, Institute of Cardiology–University Foundation of Cardiology, Av. Princesa Isabel, 370. Porto Alegre/RS, CEP 90620-000, Brazil.