1. Division of Pulmonary and Critical Care Medicine and
2. Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York
3. Pulmonology Department-Muscle Wasting and Cachexia in Chronic Respiratory Diseases and Lung Cancer Research Group, Institut Hospital del Mar d’Investigacions Mèdiques-Hospital del Mar, Parc de Salut Mar, Health and Experimental Sciences Department, Universitat Pompeu Fabra, Barcelona Biomedical Research Park, Barcelona, Spain; and
4. Centro de Investigación en Red de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain