Yang Tianyou, Yang Jiliang, Li Jiahao, Pan Jing, Zou Yan
Department of Pediatric surgery, Guangzhou Women and Children's Medical Center, Affiliated Women and Children's Medical Center of Guangzhou Medical University, Guangzhou, China.
Thorax. 2016 Aug;71(8):772-3. doi: 10.1136/thoraxjnl-2016-208497. Epub 2016 Apr 6.