| article html file updated | 31 August 2025 16:49 CEST | Update | https://www.mdpi.com/2571-841X/3/2/9 |
| article html file updated | 21 July 2022 01:19 CEST | Update | - |
| article html file updated | 18 November 2020 01:31 CET | Update | - |
| article html file updated | 10 April 2020 08:27 CEST | Original file | - |
| article pdf uploaded. | 10 April 2020 08:26 CEST | Updated version of record | https://www.mdpi.com/2571-841X/3/2/9/pdf |
| article xml uploaded. | 10 April 2020 08:26 CEST | Update | https://www.mdpi.com/2571-841X/3/2/9/xml |
| article xml file uploaded | 10 April 2020 08:26 CEST | Update | - |
| article pdf uploaded. | 8 April 2020 15:19 CEST | Version of Record | https://www.mdpi.com/2571-841X/3/2/9/pdf-vor |
| article xml file uploaded | 8 April 2020 15:19 CEST | Original file | - |
