title: The authors reply.
authors.affiliation: Department of Physical Therapy, University of Florida, Gainesville, FL Department of Aging and Geriatric Research, University of Florida, Gainesville, FL Division of Thoracic and Cardiovascular Surgery, Department of Surgery, University of Florida, Gainesville, FL Department of Physical Therapy, University of Florida, Gainesville, FL.
authors.forename: Daniel
authors.initials: D
authors.lastname: Martin
authors.forename: Christiaan
authors.initials: C
authors.lastname: Leeuwenburgh
authors.forename: Thomas
authors.initials: T
authors.lastname: Beaver
authors.forename: Barbara
authors.initials: B
authors.lastname: Smith
mesh_terms: D006348:Cardiac Surgical Procedures; D003964:Diaphragm / Q000378:metabolism*; D005260:Female; D006801:Humans; D007430:Intraoperative Care; D008297:Male; D008928:Mitochondria / Q000378:metabolism*; D010791:Phrenic Nerve