| article html file updated | 30 August 2025 22:00 CEST | Update | https://www.mdpi.com/1996-1073/12/13/2561 |
| article html file updated | 20 July 2022 07:35 CEST | Update | N/A |
| article html file updated | 12 February 2020 23:55 CET | Update | N/A |
| article html file updated | 5 July 2019 02:56 CEST | Update | N/A |
| article pdf uploaded. | 5 July 2019 02:55 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/13/2561/pdf |
| article xml uploaded. | 5 July 2019 02:55 CEST | Update | https://www.mdpi.com/1996-1073/12/13/2561/xml |
| article xml file uploaded | 5 July 2019 02:55 CEST | Update | N/A |
| article html file updated | 3 July 2019 11:42 CEST | Original file | N/A |
| article pdf uploaded. | 3 July 2019 11:41 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/13/2561/pdf-vor |
| article xml file uploaded | 3 July 2019 11:41 CEST | Original file | N/A |
