The authors regret that some author information was incorrect in the published article.
Chunyan Ni affiliation as published: Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, China.
Chunyan Ni correct affiliation: Nursing Department, Suzhou Hospital, Affiliated Hospital of Medical School of Nanjing University, Suzhou, China.
Wei Li affiliation as published: Nanjing University Medical School Affiliated Nanjing Drum Tower Hospital Department, China.
Wei Li correct affiliation: Health Management Center, Suzhou Hospital, Affiliated Hospital of Medical School of Nanjing University, Suzhou, China.
The article has been corrected.