| article html file updated | 1 September 2025 08:10 CEST | Update | https://www.mdpi.com/1999-4907/11/9/980 |
| article html file updated | 22 July 2022 06:44 CEST | Update | - |
| article html file updated | 7 October 2020 13:57 CEST | Update | - |
| article html file updated | 11 September 2020 11:05 CEST | Original file | - |
| article pdf uploaded. | 11 September 2020 11:04 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/980/pdf |
| article xml uploaded. | 11 September 2020 11:04 CEST | Update | https://www.mdpi.com/1999-4907/11/9/980/xml |
| article xml file uploaded | 11 September 2020 11:04 CEST | Original file | - |
| article pdf uploaded. | 10 September 2020 14:56 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/9/980/pdf-vor |
