| article html file updated | 1 September 2025 19:50 CEST | Update | https://www.mdpi.com/1999-5903/13/2/31 |
| article html file updated | 24 July 2022 03:45 CEST | Update | - |
| article html file updated | 31 January 2021 09:52 CET | Update | - |
| article pdf uploaded. | 31 January 2021 09:50 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/2/31/pdf |
| article xml uploaded. | 31 January 2021 09:50 CET | Update | https://www.mdpi.com/1999-5903/13/2/31/xml |
| article xml file uploaded | 31 January 2021 09:50 CET | Update | - |
| article html file updated | 28 January 2021 14:00 CET | Update | - |
| article pdf uploaded. | 28 January 2021 13:58 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/2/31/pdf-vor |
| article xml uploaded. | 28 January 2021 13:58 CET | Update | - |
| article xml file uploaded | 28 January 2021 13:58 CET | Update | - |
| article html file updated | 28 January 2021 05:30 CET | Update | - |
| article pdf uploaded. | 28 January 2021 05:29 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/2/31/pdf-vor |
| article xml uploaded. | 28 January 2021 05:29 CET | Update | - |
| article xml file uploaded | 28 January 2021 05:29 CET | Update | - |
| article html file updated | 27 January 2021 11:16 CET | Original file | - |
| article xml file uploaded | 27 January 2021 11:15 CET | Update | - |
| article pdf uploaded. | 27 January 2021 11:15 CET | Version of Record | https://www.mdpi.com/1999-5903/13/2/31/pdf-vor |
| article xml uploaded. | 27 January 2021 11:15 CET | Original file | - |
