1. Department of Pediatrics, Faculty of Medicine, Kindai University, Osakasayama City, Osaka, Japan
2. Department of Cardiovascular Surgery, Faculty of Medicine, Kindai University, Osaka, Japan
3. Clinical Laboratory, Ritz Medical Co., Ltd., Tennoji, Osaka, Japan
4. CRIFM Prenatal Medical Center, Tennoji, Osaka, Japan
5. Department of Medical Genetics, Sakakibara Heart Institute, Fuchucity, Tokyo, Japan