2023.07.01 [Important] Guide for Authors was updated on July 1st, 2023

2023.06.29 New impact factor (2022) was released.

2023.06.01 Supplement Issue Publication Policy was updated.

2023.02.02 Paper of the Year 2022 and Best Reviewers 2022 have been announced.

2023.01.15 Guide for Authors was updated (only for notational changes).

2022.10.17 Our new website is now open.

2022.08.01 [Important] Guide for Authors was updated on August 1st, 2022

2022.07.15 [Important] New Guide for Authors will be available on August 1st, 2022

2022.07.15 [Important] Notice of Change in Publication Fee

2022.07.01 Impact Factor (IF) 2021 released. IF: 3.809, 5 Year IF: 4.748

2022.05.22 5 Year Impact Factor (IF) 2020 released. 5 Year IF: 4.139

2022.02.25 Articles for Volume.14 are available in PMC

2022.02.25 Announcement of New Editor-in-Chief

2021.12.17 Articles for Volume.15 Supplement I＆II are available in PMC

2021.08.01 [Important] Guide for Authors was updated on August 1st, 2021

2021.07.12 Notice of Changes in Publication Fees

2021.07.02 Impact Factor (IF) 2020 released. IF: 3.211

2021.07.02 [Important] New Guide for Authors will be available on August 1st, 2021

2021.07.02 [Important] Notice of Changes in Publication Fees and Regulations concerning Membership

2021.03.05 Articles for Volume.15 are available in PMC