About the Authors

Dan Dang

Affiliation Department of Neonatology, The First Hospital of Jilin University, Changchun, China

Dongxuan Wang

Affiliation Department of Ultrasonic Diagnosis, The First Hospital of Jilin University, Changchun, China

Chuan Zhang

Affiliation Department of Pediatric Surgery, The First Hospital of Jilin University, Changchun, China

Wenli Zhou

Affiliation Department of Neonatology, The First Hospital of Jilin University, Changchun, China

Qi Zhou

Affiliation Department of Neonatology, The First Hospital of Jilin University, Changchun, China

Hui Wu

wuhui97@126.com

Affiliation Department of Neonatology, The First Hospital of Jilin University, Changchun, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HW. Performed the experiments: DXW DD. Analyzed the data: CZ. Contributed reagents/materials/analysis tools: DD WLZ QZ. Wrote the paper: DD.