HRQOL	Health-related quality of life
CFQ	Cognitive Failures Questionnaire
GRADS	Genomic Research in Alpha-1 anti-trypsin Deficiency and Sarcoidosis
NIH	National Institute of Health
ATS	American Thoracic Society
ERS	European Respiratory Society
WASOG	World Association of Sarcoidosis and Other Granulomatous diseases
SF-12v2	Medical Outcomes Study 12-Item Short-Form Health Survey version 2
PCS	Physical Component Score
MCS	Mental Component Score
PFT	Pulmonary function test
FVC	Forced Vital Capacity
DLCO	Diffusion Capacity for Carbon Monoxide
TNF-α	Tumor necrosis factor alpha