| article html file updated | 2 September 2025 02:04 CEST | Update | https://www.mdpi.com/1999-4907/12/4/406 |
| article html file updated | 25 July 2022 09:46 CEST | Update | - |
| article html file updated | 3 August 2021 13:35 CEST | Update | - |
| article html file updated | 10 April 2021 08:55 CEST | Update | - |
| article html file updated | 30 March 2021 09:47 CEST | Original file | - |
| article pdf uploaded. | 30 March 2021 09:45 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/406/pdf |
| article xml uploaded. | 30 March 2021 09:45 CEST | Update | https://www.mdpi.com/1999-4907/12/4/406/xml |
| article xml file uploaded | 30 March 2021 09:45 CEST | Original file | - |
| article pdf uploaded. | 29 March 2021 14:48 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/406/pdf-vor |
