| article html file updated | 1 September 2025 17:23 CEST | Update | https://www.mdpi.com/2227-9040/9/1/6 |
| article html file updated | 23 July 2022 08:44 CEST | Update | N/A |
| article html file updated | 4 January 2021 10:15 CET | Update | N/A |
| article pdf uploaded. | 4 January 2021 10:13 CET | Updated version of record | https://www.mdpi.com/2227-9040/9/1/6/pdf |
| article xml uploaded. | 4 January 2021 10:13 CET | Update | https://www.mdpi.com/2227-9040/9/1/6/xml |
| article xml file uploaded | 4 January 2021 10:13 CET | Update | N/A |
| article html file updated | 31 December 2020 05:45 CET | Original file | N/A |
| article pdf uploaded. | 31 December 2020 05:43 CET | Updated version of record | https://www.mdpi.com/2227-9040/9/1/6/pdf-vor |
| article xml uploaded. | 31 December 2020 05:43 CET | Update | N/A |
| article xml file uploaded | 31 December 2020 05:43 CET | Original file | N/A |
| article supplementary file uploaded. | 30 December 2020 14:02 CET | - | https://www.mdpi.com/2227-9040/9/1/6#supplementary |
| article pdf uploaded. | 30 December 2020 14:02 CET | Version of Record | https://www.mdpi.com/2227-9040/9/1/6/pdf-vor |
