In Matsuzawa et al. (2020). The correct affiliation details should be:

Akemi Matsuzawa1, Yuko Shiroki1, Junichi Arai2, Akemi Hirasawa2

1School of Nursing, Ibaraki Christian, University, Ibaraki, Japan

2Department of Neonatology, Ibaraki, Children's Hospital, Ibaraki, Japan

In the footnotes of Table 2, it should be: cp-value of under .05 is bold.

In the footnotes of Table 3, it should be: cp-value is under .05.