1. Department of Anesthesiology; Perioperative and Pain Medicine; Stanford University School of Medicine; Stanford CA USA
2. Department of Anesthesiology and Critical Care Medicine; Johns Hopkins University School of Medicine; Baltimore MD USA
3. Department of Thoracic and Vascular Surgery and Heart-Lung Transplantation; Centre Chirurgical Marie Lannelongue; Le Plessis-Robinson; Paris-Sud University; Paris France
4. Department of Medicine; Stanford University School of Medicine; Stanford CA USA
5. Department of Cardiothoracic Surgery; Stanford University School of Medicine; Stanford CA USA
6. Keck School of Medicine; USC; Los Angeles CA USA