Christopher J Knott-Craig1,3
, Peter Pastuszko1
and Edward D Overholt2 
1
Section of Pediatric Cardiothoracic Surgery, Children's Hospital of Oklahoma and Oklahoma University Medical Center, Oklahoma City, Oklahoma, USA
2
Section of Cardiology, Children's Hospital of Oklahoma and Oklahoma University Medical Center, Oklahoma City, Oklahoma, USA
3
Dept Cardiothoracic Surgery, Suite WP2230, 920 Stanton Young Blvd, Oklahoma City OK 73104, USA