| article html file updated | 1 September 2025 07:24 CEST | Update | https://www.mdpi.com/2073-4360/12/9/2004 |
| article html file updated | 22 July 2022 05:49 CEST | Update | - |
| article html file updated | 7 September 2020 03:21 CEST | Update | - |
| article pdf uploaded. | 7 September 2020 03:19 CEST | Updated version of record | https://www.mdpi.com/2073-4360/12/9/2004/pdf |
| article xml uploaded. | 7 September 2020 03:19 CEST | Update | https://www.mdpi.com/2073-4360/12/9/2004/xml |
| article xml file uploaded | 7 September 2020 03:19 CEST | Update | - |
| article html file updated | 3 September 2020 10:20 CEST | Original file | - |
| article pdf uploaded. | 3 September 2020 10:18 CEST | Version of Record | https://www.mdpi.com/2073-4360/12/9/2004/pdf-vor |
| article xml uploaded. | 3 September 2020 10:18 CEST | Update | - |
| article xml file uploaded | 3 September 2020 10:18 CEST | Original file | - |
