| article html file updated | 1 September 2025 13:11 CEST | Update | https://www.mdpi.com/2218-1997/6/11/206 |
| article html file updated | 23 July 2022 00:38 CEST | Update | N/A |
| article html file updated | 27 November 2020 06:57 CET | Update | N/A |
| article html file updated | 11 November 2020 10:33 CET | Original file | N/A |
| article pdf uploaded. | 11 November 2020 10:31 CET | Version of Record | https://www.mdpi.com/2218-1997/6/11/206/pdf |
| article xml uploaded. | 11 November 2020 10:31 CET | Update | https://www.mdpi.com/2218-1997/6/11/206/xml |
| article xml file uploaded | 11 November 2020 10:31 CET | Original file | N/A |
