1 Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, 300457, Tianjin & The Affiliated Hospital of Hangzhou Normal University & Zhejiang University, Hangzhou, China; Department of Surgery, Oregon Health & Science University, Portland, Oregon. Electronic address: [email protected].
2 Department of Cardiothoracic Surgery, Oxford University, Oxford Rd, Banbury, Oxfordshire, OX16 9AL, United Kingdom.