Chen, Ningjing
Pei, Yongguang
Lin, Xijun
Wang, Jun
Bu, Xiuqing
Liu, Ke
Funding for this research was provided by:
Sun Yat-sen University (3161002)
Article History
Received: 22 February 2018
Accepted: 11 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The Human Research Ethics Committee of School of Nursing, Sun Yat-sen University approved the study procedures. All children, their parents and teachers were informed about the purpose and procedures of this study. Additionally, they were reminded that their participation in this study was voluntary. Since all children were not capable of providing ethical consents to participate for themselves, we received written consents from their parents before data collection according to the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.