| article html file updated | 18 August 2026 00:15 CEST | Update | https://www.mdpi.com/1999-4923/12/9/838 |
| article html file updated | 1 September 2025 07:16 CEST | Update | N/A |
| article html file updated | 22 July 2022 05:37 CEST | Update | N/A |
| article html file updated | 2 September 2020 13:42 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2020 13:40 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/9/838/pdf |
| article xml uploaded. | 2 September 2020 13:40 CEST | Update | https://www.mdpi.com/1999-4923/12/9/838/xml |
| article xml file uploaded | 2 September 2020 13:40 CEST | Original file | N/A |
| article pdf uploaded. | 1 September 2020 13:58 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/9/838/pdf-vor |
