This issue has been available online since May 26th, 2024 for the regular issue of May 2025 . 

This issue has been available online since November 28th, 2024 for the regular issue of November 2024 . All articles in this issue (7 original research articles). were authored/co-authored by 25 authors from 2 countries (Taiwan and Indonesia)

This issue has been available online since May 28th, 2024 for the regular issue of May 2024 . All articles in this issue (7 original research articles). were authored/co-authored by 26 authors from 2 countries (United Kingdom and Indonesia)

This issue has been available online since 30th November 2023 for the regular issue of November 2023 . All articles in this issue (13 original research articles).

This issue has been available online since 29th May 2023 for the regular issue of May 2023 . All articles in this issue (13 original research articles).

This issue has been available online since 30th November 2022 for the regular issue of November 2022 . All articles in this issue (17 original research articles).

This issue has been available online since 26th Mei 2022 for the regular issue of Mei 2022 . All articles in this issue (14 original research articles).

This issue has been available online since 30th November 2021 for the regular issue of November 2021. All articles in this issue (14 original research articles).

This issue has been available online since 30th May 2021 for the regular issue of May 2021. All articles in this issue (14 original research articles). 

This issue has been available online since 30th November 2020 for the regular issue of November 2020. All articles in this issue (14 original research articles). 

This issue has been available online since 27th May 2020 for the regular issue of May 2020. All articles in this issue (14 original research articles). 

This issue has been available online since 30th November 2019 for the regular issue of November 2019. All articles in this issue (14 original research articles).