| article html file updated | 31 August 2025 08:29 CEST | Update | https://www.mdpi.com/1996-1073/13/2/309 |
| article html file updated | 19 July 2022 19:50 CEST | Update | - |
| article html file updated | 15 February 2020 01:08 CET | Update | - |
| article html file updated | 7 February 2020 13:57 CET | Update | - |
| article html file updated | 22 January 2020 11:41 CET | Update | - |
| article pdf uploaded. | 22 January 2020 11:39 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/309/pdf |
| article xml uploaded. | 22 January 2020 11:39 CET | Update | https://www.mdpi.com/1996-1073/13/2/309/xml |
| article xml file uploaded | 22 January 2020 11:39 CET | Update | - |
| article html file updated | 19 January 2020 10:46 CET | Original file | - |
| article pdf uploaded. | 19 January 2020 10:45 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/309/pdf-vor |
| article xml uploaded. | 19 January 2020 10:45 CET | Update | - |
| article xml file uploaded | 19 January 2020 10:45 CET | Update | - |
| article pdf uploaded. | 8 January 2020 14:25 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/309/pdf-vor |
| article xml file uploaded | 8 January 2020 14:25 CET | Original file | - |
