1. 1 The manuscript must be accompanied by a letter of recommendation from the company. The recommendation letter should indicate that the information is true, there is no one draft and two votes, confidentiality is not involved, and the signature is uncontroversial. Please attach your phone number or mobile phone number to the manuscript. The manuscript of military hospital should indicate the address and postal code. For enquiries, please indicate the manuscript number.

1.2 If the topic involved in the paper has been funded by the national or provincial funds or is a key research project, it should be indicated at the lower left of the title page, such as "This topic has been funded by XX Fund (fund number XXXX)", and a copy of the fund certificate should be attached.

1.3 All submissions are at your own risk. Unless otherwise specified, all published articles do not represent the views of the editorial board and editorial department of this journal. According to the relevant provisions of the Copyright Law, this journal can modify and abridge the manuscript. Any modification involving the original intention is submitted to the author for consideration. If the revised manuscript is not sent back for more than 3 months, it will be deemed as automatic withdrawal.

1.4 According to the Copyright Law and the specific situation of this journal, the author has not received any treatment opinions within 3 months after receiving it, indicating that the manuscript is still under review. If the author wants to contribute to other journals, please contact us in time.