Sino-US medical cooperation in Shanghai: from a children s hospital to batches of multi-disciplinary talents-Ding Wenxiang is the pioneer of pediatric cardiothoracic surgery in China. In the early 1980s, Dr. Ding introduced the process to carry out pediatric cardiac surgery in China and demonstrated the self-developed surgical instruments to the president of Project HOPE (Health and Opportunity for People Everywhere) of America.