Kou, Zengqiang
Li, Xiaoyu
Liu, Ti
Fan, Bei
An, Wenqi
An, Wenjue
Dang, Mingan
Zhang, Ke
Tang, Jingning
Zhu, Nan
Pan, Ruowen
Funding for this research was provided by:
Hualan Biological Bacterin Inc
Article History
Received: 6 March 2024
Accepted: 20 June 2024
First Online: 15 September 2024
Declarations
:
: This trial was conducted at the Shandong CDC and had been approved by the Preventive Medical Ethical Committee of Shandong CDC (reference number 2021-70). Based on regulations by the Declaration of Helsinki, subjects were given detailed information regarding the trial and signed an informed consent form prior to recruitment.
: All the authors have given their consent for the publication of this article.
: R.P., Wenjue A., K.Z., J.T. and N.Z are employed in Hualan Biological Bacterin Inc. that funded this research. B.F. and Wenqi A. are employed in Hualan Biological Engineering Inc. that is the parent company of Hualan Biological Bacterin Inc. Z.K. is employed in Shandong Center for Disease Control and Prevention that was responsible for implement of this research. Other authors report there are no competing interests to declare.