1 The Johns Hopkins School of Medicine, Division of Thoracic Surgery, Department of Surgery, 600 North Wolfe Street, Blalock 240, Baltimore, MD 21287, USA. Electronic address: [email protected].
2 The Johns Hopkins School of Medicine, Division of Thoracic Surgery, Department of Surgery, 600 North Wolfe Street, Blalock 240, Baltimore, MD 21287, USA. Electronic address: [email protected].