Authors’ contributions
Author 1(Tan xiaoli): Typesetting of articles and grammar changes.
Author 2(Li yaling) and Author 3(Wu zhixiong): Revision of article
grammar, checking. Author 4(Tang liang): Organizing pictures. Author
5(Fu qiang): Writing Original Draft;Provide case reports. Author
6(ouyang fan) (Corresponding Author): Proofread the editor’s language.