About the Authors
- Danjun Feng
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Affiliation School of Nursing, Shandong University, Jinan, China
- Linqin Ji
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Affiliation School of Psychology, Shandong Normal University, Jinan, China
- Lingzhong Xu
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* E-mail: lzxu@sdu.edu.cn
Affiliation Department of Health Services Management and Maternal & Child Healthcare, Shandong University, Jinan, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: LX DF. Performed the experiments: DF. Analyzed the data: DF. Contributed reagents/materials/analysis tools: LX DF. Wrote the paper: DF LJ.