1. From the Division of Pulmonary, Allergy and Critical Care Medicine (YP and DPJ); the Division of Endocrinology, Metabolism and Lipids (RAB, TRZ, and CJA); and the Clinical Biomarkers Laboratory (P-YC, YP, CJA, and DRJ), Department of Medicine, Emory University, Atlanta, GA; the Graduate Program in Nutrition Health Sciences, Emory University, Atlanta, GA (BAC); and the Department of Biostatistics,