[1] Univ Oklahoma, Hlth Sci Ctr, Sect Infect Dis, Dept Internal Med, 800 Stanton L Young Blvd, Oklahoma City, OK 73104 USA
[2] Univ Oklahoma, Hlth Sci Ctr, Dept Internal Med, Sect Pulm Crit Care & Sleep Med, 800 Stanton L Young Blvd, Oklahoma City, OK 73104 USA
[3] Univ Oklahoma, Hlth Sci Ctr, Dept Surg, Div Cardiac Thorac & Vasc Surg, 800 Stanton L,Young Blvd, Oklahoma City, OK 73104 USA
[4] Univ Oklahoma, Dept Pathol & Med, Hlth Sci Ctr, 940 Stanton L Young Blvd, Oklahoma City, OK 73104 USA