| article html file updated | 1 September 2025 08:29 CEST | Update | https://www.mdpi.com/1999-4907/11/9/992 |
| article html file updated | 22 July 2022 07:14 CEST | Update | - |
| article html file updated | 7 October 2020 14:01 CEST | Update | - |
| article html file updated | 16 September 2020 08:43 CEST | Original file | - |
| article pdf uploaded. | 16 September 2020 08:42 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/992/pdf |
| article xml uploaded. | 16 September 2020 08:41 CEST | Update | https://www.mdpi.com/1999-4907/11/9/992/xml |
| article xml file uploaded | 16 September 2020 08:41 CEST | Original file | - |
| article pdf uploaded. | 15 September 2020 12:07 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/9/992/pdf-vor |
