| article html file updated | 1 September 2025 00:24 CEST | Update | https://www.mdpi.com/2073-4433/11/6/666 |
| article html file updated | 21 July 2022 21:42 CEST | Update | - |
| article html file updated | 6 July 2020 12:17 CEST | Update | - |
| article html file updated | 29 June 2020 10:40 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 10:39 CEST | Updated version of record | https://www.mdpi.com/2073-4433/11/6/666/pdf |
| article xml uploaded. | 29 June 2020 10:39 CEST | Update | https://www.mdpi.com/2073-4433/11/6/666/xml |
| article xml file uploaded | 29 June 2020 10:39 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 14:44 CEST | Version of Record | https://www.mdpi.com/2073-4433/11/6/666/pdf-vor |
