Conflict of interest between author Xinming Wang and editor Jianmin Chen.Both have co-authored 23 papers, indicating a strong collaboration. https://www.scopus.com/authid/detail.uri?authorId=56411079900#tab=co-authors
It is not the first time Jianmin Chen edits a paper for Xinming Wang:
https://pubpeer.com/publications/E1E3C7A6F882CF38D4C98065E7B99A
https://pubpeer.com/publications/D26584CE79DFFD2883D405B4840547
https://pubpeer.com/publications/68A3B56B7052CC17D9D42ECD81B9CA
https://pubpeer.com/publications/1CBD8F9AB64347F0BCA3F90DEC64E6
https://pubpeer.com/publications/BC8E7F0B1B512F4307F4A4782308B3
https://pubpeer.com/publications/D5A60706074F5E607F92348C8B6208
https://pubpeer.com/publications/2A26A6117A630108C57CB7AB5CD9AF
https://pubpeer.com/publications/0F73ACABE9628C70028EA10E075A1D
https://pubpeer.com/publications/451985849DD6229661420C95ABFE39
This time:
https://pubpeer.com/publications/083205400D970A7AE289AAFFFA5359