Márcio Galindo Kiuchi1, Shaojie Chen2, Neil Alexander Hoye3. 1. Cardiac Surgery and Artificial Cardiac Stimulation Division, Department of Medicine, Hospital e Clínica São Gonçalo, São Gonçalo, Rio de Janeiro, Brazil. Electronic address: marciokiuchi@gmail.com. 2. Department of Cardiology, Shanghai First People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. 3. Department of Renal Medicine, York Teaching Hospital NHS Foundation Trust, York, UK.