| article html file updated | 24 December 2025 21:15 CET | Update | https://www.mdpi.com/1999-4923/12/9/850 |
| article html file updated | 1 September 2025 07:53 CEST | Update | N/A |
| article html file updated | 22 July 2022 06:20 CEST | Update | N/A |
| article html file updated | 8 September 2020 08:32 CEST | Original file | N/A |
| article pdf uploaded. | 8 September 2020 08:31 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/9/850/pdf |
| article xml uploaded. | 8 September 2020 08:31 CEST | Update | https://www.mdpi.com/1999-4923/12/9/850/xml |
| article xml file uploaded | 8 September 2020 08:31 CEST | Original file | N/A |
| article pdf uploaded. | 7 September 2020 19:00 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/9/850/pdf-vor |
| article pdf uploaded. | 7 September 2020 19:00 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/9/850/pdf-vor |
