1. Cardiovascular Surgery Department, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
2. Echocardiography Unit, Cardiology Department, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
3. Pathology Department, Hospital Universitario de Canarias, Universidad de La Laguna, Santa Cruz de Tenerife, Spain
4. Intensive Care Unit, Hospital universitario de Canarias, Santa Cruz de Tenerife, Spain