| article html file updated | 1 September 2025 18:16 CEST | Update | https://www.mdpi.com/2227-7390/9/2/139 |
| article html file updated | 23 July 2022 13:29 CEST | Update | - |
| article html file updated | 12 January 2021 12:17 CET | Update | - |
| article xml uploaded. | 12 January 2021 12:16 CET | Update | https://www.mdpi.com/2227-7390/9/2/139/xml |
| article pdf uploaded. | 12 January 2021 12:16 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/2/139/pdf |
| article html file updated | 11 January 2021 05:15 CET | Original file | - |
| article pdf uploaded. | 11 January 2021 05:14 CET | Version of Record | https://www.mdpi.com/2227-7390/9/2/139/pdf-vor |
| article xml uploaded. | 11 January 2021 05:14 CET | Update | - |
| article xml file uploaded | 11 January 2021 05:14 CET | Original file | - |
