| article html file updated | 7 September 2025 00:07 CEST | Update | https://www.mdpi.com/2311-5521/6/9/311 |
| article html file updated | 30 July 2022 03:50 CEST | Update | - |
| article html file updated | 7 September 2021 11:46 CEST | Update | - |
| article pdf uploaded. | 7 September 2021 11:43 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/9/311/pdf |
| article xml uploaded. | 7 September 2021 11:43 CEST | Update | https://www.mdpi.com/2311-5521/6/9/311/xml |
| article xml file uploaded | 7 September 2021 11:43 CEST | Update | - |
| article html file updated | 3 September 2021 10:26 CEST | Original file | - |
| article pdf uploaded. | 3 September 2021 10:24 CEST | Updated version of record | https://www.mdpi.com/2311-5521/6/9/311/pdf-vor |
| article xml uploaded. | 3 September 2021 10:24 CEST | Update | - |
| article xml file uploaded | 3 September 2021 10:24 CEST | Original file | - |
| article pdf uploaded. | 1 September 2021 12:27 CEST | Version of Record | https://www.mdpi.com/2311-5521/6/9/311/pdf-vor |
