1 Department of Haematology-Oncology, National University Cancer Institute, National University Health System, Singapore.
2 Department of Medical Oncology, Tan Tock Seng Hospital, Singapore.
3 Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.
4 Department of Respiratory and Critical Care Medicine, Singapore General Hospital, Singapore.
5 Department of Radiation Oncology, National University Cancer Institute, National University Health System, Singapore.
6 Department of Diagnostic Radiology, Changi General Hospital, Singapore.
7 Department of Cardiothoracic Surgery, National Heart Centre Singapore, Singapore General Hospital, Singapore.
8 Department of Pathology, National University Health System, Singapore.
9 Division of Thoracic Surgery, Department of Cardiac, Thoracic and Vascular Surgery, National University Heart Centre, National University Hospital, Singapore.
10 Division of Medical Oncology, National Cancer Centre Singapore, Singapore.
11 Department of Diagnostic Imaging, National University Health System, Singapore.
12 Department of Haematology-Oncology, National University Cancer Institute, National University Health System, Singapore. Electronic address: ross_soo@nuhs.edu.sg.