About the Authors

Wei Guo

Affiliation School of Nursing, Shandong University, Jinan, Shandong Province, People’s Republic of China

Jiao-Mei Xue

Affiliation School of Nursing, Shandong University, Jinan, Shandong Province, People’s Republic of China

Di Shao

Affiliation School of Nursing, Shandong University, Jinan, Shandong Province, People’s Republic of China

Zhou-Ting Long

Affiliation School of Nursing, Shandong University, Jinan, Shandong Province, People’s Republic of China

Feng-Lin Cao

caofenglin2008@126.com

Affiliation School of Nursing, Shandong University, Jinan, Shandong Province, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FLC. Performed the experiments: WG JMX DS ZTL. Analyzed the data: FLC WG. Contributed reagents/materials/analysis tools: WG. Wrote the paper: WG.