| article html file updated | 1 September 2025 06:15 CEST | Update | https://www.mdpi.com/1999-5903/12/9/140 |
| article html file updated | 22 July 2022 04:16 CEST | Update | - |
| article html file updated | 9 October 2020 19:30 CEST | Update | - |
| article html file updated | 21 August 2020 10:45 CEST | Original file | - |
| article pdf uploaded. | 21 August 2020 10:44 CEST | Updated version of record | https://www.mdpi.com/1999-5903/12/9/140/pdf |
| article xml uploaded. | 21 August 2020 10:44 CEST | Update | https://www.mdpi.com/1999-5903/12/9/140/xml |
| article xml file uploaded | 21 August 2020 10:44 CEST | Original file | - |
| article pdf uploaded. | 20 August 2020 17:34 CEST | Updated version of record | https://www.mdpi.com/1999-5903/12/9/140/pdf-vor |
| article pdf uploaded. | 20 August 2020 17:34 CEST | Version of Record | https://www.mdpi.com/1999-5903/12/9/140/pdf-vor |
