| article html file updated | 1 September 2025 18:42 CEST | Update | https://www.mdpi.com/1999-5903/13/1/18 |
| article html file updated | 23 July 2022 16:43 CEST | Update | - |
| article html file updated | 19 January 2021 05:31 CET | Update | - |
| article pdf uploaded. | 19 January 2021 05:29 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/1/18/pdf |
| article xml uploaded. | 19 January 2021 05:29 CET | Update | https://www.mdpi.com/1999-5903/13/1/18/xml |
| article xml file uploaded | 19 January 2021 05:29 CET | Update | - |
| article html file updated | 15 January 2021 08:45 CET | Original file | - |
| article pdf uploaded. | 15 January 2021 08:44 CET | Version of Record | https://www.mdpi.com/1999-5903/13/1/18/pdf-vor |
| article xml uploaded. | 15 January 2021 08:44 CET | Update | - |
| article xml file uploaded | 15 January 2021 08:44 CET | Original file | - |
