This study protocol was approved by the ethics committee of China-Japan Friendship Hospital of Ministry of Health of the People’s Republic of China (Approval Number: No. 2011-93) and complied with the Second Declaration of Helsinki.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.
Tips for asking effective questions
+ Description
Write a detailed description. Include all information that will help others answer your question including experimental processes, conditions, and relevant images.