APACHE	Acute Physiology and Chronic Health Evaluation
BMI	Body mass index
CD4+	CD4-positive T cell
CD8+	CD8-positive cytotoxic T cell
COPD	Chronic obstructive pulmonary disease
CRF	Clinical report form
CRP	C-reactive protein
CTLA-4	Cytotoxic T-lymphocyte associated protein 4
DC	Dendritic cell
Gal-9	Galectin-9
HAVCR2	Hepatitis A virus cellular receptor 2
ICU	Intensive care unit
LD	Linkage disequilibrium
NK	Natural killer cell
NYHA	New York Heart Association
PCR	Polymerase chain reaction
PD-1	Programmed cell death protein 1
SNP	Single nucleotide polymorphism
SOFA	Sequential Organ Failure Assessment
TIM-3	T cell immunoglobulin and mucin domain-containing protein 3
TReg	Regulatory T cells
WHO	World Health Organization