| article html file updated | 1 September 2025 20:24 CEST | Update | https://www.mdpi.com/2218-1989/11/2/87 |
| article html file updated | 24 July 2022 10:22 CEST | Update | - |
| article html file updated | 3 February 2021 04:31 CET | Original file | - |
| article pdf uploaded. | 3 February 2021 04:29 CET | Updated version of record | https://www.mdpi.com/2218-1989/11/2/87/pdf |
| article xml uploaded. | 3 February 2021 04:29 CET | Update | https://www.mdpi.com/2218-1989/11/2/87/xml |
| article xml file uploaded | 3 February 2021 04:29 CET | Original file | - |
| article pdf uploaded. | 1 February 2021 15:40 CET | Version of Record | https://www.mdpi.com/2218-1989/11/2/87/pdf-vor |
