[1] Univ Texas MD Anderson Canc Ctr, Dept Thorac & Cardiovasc Surg, 1400 Pressler St,Unit 1489, Houston, TX 77030 USA
[2] Univ Texas Hlth Sci Ctr Houston, Dept Cardiothorac & Vasc Surg, McGovern Med Sch, Houston, TX 77030 USA
[3] Northwestern Univ, Dept Surg, Div Thorac Surg, Feinberg Sch Med, Chicago, IL 60611 USA