BMI	Body mass index.
CA-CSS	Critical appraisal of epidemiological cross-sectional studies.
FEV	Forced expiratory volume.
FVC	Force vital capacity.
Ig	immunoglobulin.
IL	Interleukin.
NOS	Newcastle–Ottawa Scale.
Ob-R	Leptin receptor.
TNF-a	Tumor necrosis factor Alpha.