| article html file updated | 18 August 2026 09:19 CEST | Update | https://www.mdpi.com/2218-1997/6/11/209 |
| article html file updated | 1 September 2025 13:28 CEST | Update | N/A |
| article html file updated | 23 July 2022 01:04 CEST | Update | N/A |
| article html file updated | 27 November 2020 06:58 CET | Update | N/A |
| article html file updated | 14 November 2020 10:31 CET | Original file | N/A |
| article pdf uploaded. | 14 November 2020 10:29 CET | Version of Record | https://www.mdpi.com/2218-1997/6/11/209/pdf |
| article xml uploaded. | 14 November 2020 10:29 CET | Update | https://www.mdpi.com/2218-1997/6/11/209/xml |
| article xml file uploaded | 14 November 2020 10:29 CET | Original file | N/A |
