1 Department of Vascular Anomalies and Interventional Radiology, Children's Hospital Affiliated to Shandong University, Jinan, China.
2 Department of Vascular Anomalies and Interventional Radiology, Children's Hospital Affiliated to Shandong University, Jinan, China; Department of Vascular Anomalies and Interventional Radiology, Jinan Children's Hospital, Jinan, China; Shandong Provincial Clinical Research Center for Children's Health and Disease, Jinan, China. Electronic address: etjrxgl@hotmail.com.
3 Department of Vascular Anomalies and Interventional Radiology, Children's Hospital Affiliated to Shandong University, Jinan, China. Electronic address: songdan9966@163.com.