Address for correspondence
Shinya Yokoyama, MD, PhD.
Congenital Heart Disease Center, Surgery division,
Nara Medical University School of Medicine
840, Shijo-cho, Kashihara, Nara, 634-8522
Japan
Tel: +81-744-22-3051, Fax: +81-744-22-4121
E mail:shinymd.0401@gmail.com