刁玉刚

Yugang Diao

中国人民解放军北部战区总医院

General Hospital of the northern theater of the Chinese peoples Liberation Army

艾艳秋

Yanqiu Ai

郑州大学第一附属医院

The First Affiliated Hospital of Zhengzhou University

田首元

Shouyuan Tian

山西医科大学第一医院

First Hospital of Shanxi Medical University