Robert Hannan博士是美国尼克劳斯儿童医院心脏外科主任，他的专长是先天性心脏病治疗，多模态影像评估以及心血管3D打印技术。 Robert Hannan is Director of Cardiovascular Surgery in Nicklaus Children's Hospital. His specialty include congenital heart disease treatment, cardiovascular 3D printing and multimodal imaging evaluation.