| article html file updated | 18 August 2026 12:26 CEST | Update | https://www.mdpi.com/2218-1997/6/12/232 |
| article html file updated | 1 September 2025 15:23 CEST | Update | N/A |
| article html file updated | 23 July 2022 04:05 CEST | Update | N/A |
| article html file updated | 8 December 2020 04:59 CET | Original file | N/A |
| article pdf uploaded. | 7 December 2020 10:16 CET | Version of Record | https://www.mdpi.com/2218-1997/6/12/232/pdf |
| article xml uploaded. | 7 December 2020 10:16 CET | Update | https://www.mdpi.com/2218-1997/6/12/232/xml |
| article xml file uploaded | 7 December 2020 10:16 CET | Original file | N/A |
