| article html file updated | 18 August 2026 15:29 CEST | Update | https://www.mdpi.com/1996-1073/14/1/138 |
| article html file updated | 1 September 2025 17:15 CEST | Update | N/A |
| article html file updated | 23 July 2022 08:12 CEST | Update | N/A |
| article html file updated | 4 January 2021 02:13 CET | Update | N/A |
| article pdf uploaded. | 4 January 2021 02:11 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/138/pdf |
| article xml uploaded. | 4 January 2021 02:11 CET | Update | https://www.mdpi.com/1996-1073/14/1/138/xml |
| article xml file uploaded | 4 January 2021 02:11 CET | Update | N/A |
| article html file updated | 29 December 2020 11:51 CET | Original file | N/A |
| article pdf uploaded. | 29 December 2020 11:49 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/138/pdf-vor |
| article xml uploaded. | 29 December 2020 11:49 CET | Update | N/A |
| article xml file uploaded | 29 December 2020 11:49 CET | Original file | N/A |
