title: The reply.
authors.affiliation: Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, Calif.
authors.forename: Uri
authors.initials: U
authors.lastname: Ladabaum
authors.affiliation: Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, Calif.
authors.forename: Ajitha
authors.initials: A
authors.lastname: Mannalithara
authors.affiliation: Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, Calif.
authors.forename: Parvathi A
authors.initials: PA
authors.lastname: Myer
authors.affiliation: Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, Calif.
authors.forename: Gurkirpal
authors.initials: G
authors.lastname: Singh
mesh_terms: D002149:Energy Intake / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009043:Motor Activity / Q000502:physiology*; D009765:Obesity / Q000453:epidemiology*