| article html file updated | 31 August 2025 09:09 CEST | Update | https://www.mdpi.com/1996-1073/13/2/439 |
| article html file updated | 20 July 2022 17:41 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:28 CET | Update | N/A |
| article html file updated | 7 February 2020 15:28 CET | Update | N/A |
| article html file updated | 17 January 2020 08:37 CET | Update | N/A |
| article pdf uploaded. | 17 January 2020 08:35 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/439/pdf |
| article xml uploaded. | 17 January 2020 08:35 CET | Update | https://www.mdpi.com/1996-1073/13/2/439/xml |
| article xml file uploaded | 17 January 2020 08:35 CET | Update | N/A |
| article html file updated | 16 January 2020 18:50 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2020 12:16 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/439/pdf-vor |
| article xml uploaded. | 16 January 2020 12:16 CET | Update | N/A |
| article xml file uploaded | 16 January 2020 12:16 CET | Original file | N/A |
