1 Extracorporeal Membrane Oxygenation Unit, Department of Cardiac Anesthesia and Intensive Care Unit, IRCCS Policlinico San Donato, San Donato Milanese, Italy.
2 Department of Congenital Cardiac Surgery, IRCCS Policlinico San Donato, San Donato Milanese, Italy. Electronic address: mauro.lorito@gmail.com.