| article html file updated | 7 September 2025 00:53 CEST | Update | https://www.mdpi.com/2218-1997/7/9/346 |
| article html file updated | 30 July 2022 05:49 CEST | Update | - |
| article html file updated | 15 September 2021 10:30 CEST | Update | - |
| article pdf uploaded. | 15 September 2021 10:29 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/9/346/pdf |
| article xml uploaded. | 15 September 2021 10:29 CEST | Update | https://www.mdpi.com/2218-1997/7/9/346/xml |
| article xml file uploaded | 15 September 2021 10:29 CEST | Update | - |
| article html file updated | 14 September 2021 15:58 CEST | Original file | - |
| article pdf uploaded. | 14 September 2021 15:57 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/9/346/pdf-vor |
| article xml uploaded. | 14 September 2021 15:56 CEST | Update | - |
| article xml file uploaded | 14 September 2021 15:56 CEST | Original file | - |
