The influence of social support on COPD outcomes mediated by depression.
Leonard TurnierMichelle EakinHan WooMark DransfieldTrisha ParekhJerry A KrishnanRichard KannerChristopher B CooperPrescott G WoodruffRobert WiseMeiLan K HanKarina RomeroLaura M PaulinStephen PetersBrad DrummondEugene R BleeckerRussell BowlerAlejandro P ComellasDavid J CouperRobert PaineFernando MartinezGraham BarrNirupama PutchaNadia N HanselPublished in: PloS one (2021)
SPIROMICS was approved by Institutional Review Boards at each center and all participants provided written informed consent (clinicaltrials.gov: NCT01969344).