| article html file updated | 1 September 2025 17:31 CEST | Update | https://www.mdpi.com/2226-471X/6/1/8 |
| article html file updated | 23 July 2022 09:16 CEST | Update | - |
| article html file updated | 12 January 2021 02:24 CET | Update | - |
| article pdf uploaded. | 12 January 2021 02:22 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/8/pdf |
| article xml uploaded. | 12 January 2021 02:22 CET | Update | https://www.mdpi.com/2226-471X/6/1/8/xml |
| article xml file uploaded | 12 January 2021 02:22 CET | Update | - |
| article html file updated | 5 January 2021 10:46 CET | Update | - |
| article pdf uploaded. | 5 January 2021 10:45 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/8/pdf-vor |
| article xml file uploaded | 5 January 2021 10:45 CET | Update | - |
| article html file updated | 31 December 2020 14:58 CET | Original file | - |
| article pdf uploaded. | 31 December 2020 14:57 CET | Version of Record | https://www.mdpi.com/2226-471X/6/1/8/pdf-vor |
| article xml uploaded. | 31 December 2020 14:57 CET | Update | - |
| article xml file uploaded | 31 December 2020 14:57 CET | Original file | - |
