| article html file updated | 25 December 2025 01:00 CET | Update | https://www.mdpi.com/1999-5903/13/1/2 |
| article html file updated | 1 September 2025 16:54 CEST | Update | N/A |
| article html file updated | 23 July 2022 07:03 CEST | Update | N/A |
| article html file updated | 5 January 2021 11:01 CET | Original file | N/A |
| article pdf uploaded. | 5 January 2021 10:59 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/1/2/pdf |
| article xml uploaded. | 5 January 2021 10:59 CET | Update | https://www.mdpi.com/1999-5903/13/1/2/xml |
| article xml file uploaded | 5 January 2021 10:59 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2020 12:00 CET | Version of Record | https://www.mdpi.com/1999-5903/13/1/2/pdf-vor |
