Journal of Shanghai Jiao Tong University (Medical Science) is an open access journal. Once published, all articles will be immediately and permanently available for readers to read and download free of charge. Permitted third party reuse of the articles published by the journal is defined by the following user license: Creative Commons Attribution-NonCommercial-NoDerivatives (CC BY-NC-ND). This license allows reusers to copy and redistribute the material in any medium or format. The licensor cannot revoke these freedoms as long as the license terms below are followed:
Reusers must give appropriate credit, provide a link to the license, and indicate if changes were made. Reusers may do so in any reasonable manner, but not in any way that suggests the licensor endorses the use. Reusers may not use the material for commercial purposes. If resuers remix, transform, or build upon the material, they may not distribute the modified material.
The full details of the license are available at https://creativecommons.org/licenses/by-nc-nd/4.0/.