Wu Chenjiao, MD, is Nurse-in-Charge, Digestive Endoscopy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Zhang Hongyan, MD is Nurse-in-Charge, The First Teaching Hospital of Xinjiang Medical University Endoscopy Center, Wulumoqi, China.
Gu Ging, MD is Associate Chief Nurse, Digestive Endoscopy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Zhong Xiaoqi, MD is Nurse-in-Charge, Digestive Endoscopy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Gu Liying, MD is Associate Chief Nurse, Digestive Endoscopy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Fang Ying, MD is Associate Chief Nurse, Digestive Endoscopy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
Correspondence to: Fang Ying, MD, Digestive Endoscopy Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China ([email protected]).
Wu Chenjiao and Zhang Hongyan contributed equally to this article.
Fang Ying and Zhang Hongyan designed the research; Wu Shenjiao, Gu Qing, Zhong Xiaoqi, and Gu Liying performed the research; and Fang Ying analyzed the data and wrote the manuscript.
The authors declare no conflicts of interest.
Received July 15, 2012
Accepted June 04, 2014