[1] Natl Univ Hlth Syst, Natl Univ Canc Inst, Singapore, Singapore
[2] Univ Med Cluster, Natl Univ Hlth Syst, Natl Univ Hosp, Div Resp & Crit Care Med, Singapore, Singapore
[3] Mt Elizabeth Med Ctr, Lung Clin, Singapore, Singapore
[4] Natl Univ Hlth Syst, Natl Univ Hosp, Dept Diagnost Imaging, Singapore, Singapore
[5] Natl Canc Ctr Singapore, Div Med Oncol, Singapore, Singapore
[6] Singapore Gen Hosp, Dept Resp & Crit Care Med, Singapore, Singapore
[7] Mt Alvernia Hosp, Icon Canc Ctr, Singapore, Singapore
[8] Mt Elizabeth Novena Med Ctr, Oncocare Canc Ctr, Singapore, Singapore
[9] Mt Elizabeth Hosp, Curie Oncol, Singapore, Singapore
[10] Natl Univ Hlth Syst, Natl Univ Canc Inst, Div Oncol Nursing, Singapore, Singapore