Those who are named as authors should directly participate in the conception or design of the academic content of the article, the research work or the writing work. The order shall be determined before submission and shall not be changed thereafter. If truly necessary, the order could be changed if a consent letter signed by all authors is provided. Other contributors of the paper may be listed in acknowledgement. “Gift author” is strictly prohibited. The authors should specify their contribution in this form and sign in the “Author” column. The corresponding author shall make a tick "√" in the “Corresponding Author” column.