1 Division of Congenital Heart Surgery, Texas Children's Hospital, Houston, Tex, and Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Tex. Electronic address: firstname.lastname@example.org.
2 Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor, Mich.
3 Division of Pediatric Cardiothoracic Surgery, Department of Cardiovascular and Thoracic Surgery, University of Texas Southwestern Medical Center and Children's Medical Center, Dallas, Tex.
4 Section of Pediatric and Congenital Cardiac Surgery, Division of Cardiac, Thoracic, and Vascular Surgery, New York Presbyterian-Morgan Stanley Children's Hospital, Columbia University Irving Medical Center, New York, NY.
5 Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minn.
6 Division of Cardiovascular Surgery, The Children's Heart Clinic, Children's Hospitals and Clinics of Minnesota, Minneapolis, Minn.