| article html file updated | 1 September 2025 17:37 CEST | Update | https://www.mdpi.com/1999-5903/13/1/9 |
| article html file updated | 23 July 2022 09:45 CEST | Update | N/A |
| article html file updated | 7 January 2021 03:34 CET | Update | N/A |
| article pdf uploaded. | 7 January 2021 03:33 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/1/9/pdf |
| article xml uploaded. | 7 January 2021 03:33 CET | Update | https://www.mdpi.com/1999-5903/13/1/9/xml |
| article xml file uploaded | 7 January 2021 03:33 CET | Update | N/A |
| article html file updated | 5 January 2021 02:29 CET | Update | N/A |
| article pdf uploaded. | 5 January 2021 02:28 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/1/9/pdf-vor |
| article xml file uploaded | 5 January 2021 02:28 CET | Update | N/A |
| article html file updated | 2 January 2021 14:17 CET | Original file | N/A |
| article pdf uploaded. | 2 January 2021 14:16 CET | Version of Record | https://www.mdpi.com/1999-5903/13/1/9/pdf-vor |
| article xml file uploaded | 2 January 2021 14:16 CET | Original file | N/A |
