Reply to Vogt et al.: Metabolomics and chronic fatigue syndrome

Robert K Naviaux^1,2,3,4, Jane C Naviaux^5,6, Kefeng Li^5,2+7

• ¹The Mitochondrial and Metabolic Disease Center, University of California, San Diego School of Medicine, San Diego, CA 92103-8467; rnaviaux@ucsd.edu.+6