| article html file updated | 1 September 2025 08:32 CEST | Update | https://www.mdpi.com/2073-8994/12/9/1521 |
| article html file updated | 22 July 2022 07:18 CEST | Update | - |
| article html file updated | 12 October 2020 04:47 CEST | Update | - |
| article html file updated | 15 September 2020 15:41 CEST | Original file | - |
| article pdf uploaded. | 15 September 2020 15:39 CEST | Version of Record | https://www.mdpi.com/2073-8994/12/9/1521/pdf |
| article xml uploaded. | 15 September 2020 15:39 CEST | Update | https://www.mdpi.com/2073-8994/12/9/1521/xml |
| article xml file uploaded | 15 September 2020 15:39 CEST | Original file | - |
