| article html file updated | 1 September 2025 07:54 CEST | Update | https://www.mdpi.com/1999-4923/12/9/851 |
| article html file updated | 22 July 2022 06:20 CEST | Update | N/A |
| article html file updated | 8 September 2020 08:26 CEST | Original file | N/A |
| article pdf uploaded. | 8 September 2020 08:24 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/9/851/pdf |
| article xml uploaded. | 8 September 2020 08:24 CEST | Update | https://www.mdpi.com/1999-4923/12/9/851/xml |
| article xml file uploaded | 8 September 2020 08:24 CEST | Original file | N/A |
