1. Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
2. Division of Pulmonary and Critical Care Medicine, Stanford University Medical Center, Stanford, CA 94305, USA
3. Departments of Cardiothoracic Surgery, The Second Xiangya Hospital, Central South University, Changsha 410011, China
4. Warsaw University of Life Sciences, 02-787 Warsaw, Poland
5. Chang Gung Memorial Hospital, Keelung 20445, Taiwan