| article html file updated | 21 August 2026 02:50 CEST | Update | https://www.mdpi.com/2218-1997/7/12/489 |
| article html file updated | 26 December 2025 12:14 CET | Update | N/A |
| article html file updated | 7 September 2025 08:17 CEST | Update | N/A |
| article html file updated | 30 July 2022 21:50 CEST | Update | N/A |
| article html file updated | 16 December 2021 10:57 CET | Update | N/A |
| article pdf uploaded. | 16 December 2021 10:55 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/489/pdf |
| article xml uploaded. | 16 December 2021 10:55 CET | Update | https://www.mdpi.com/2218-1997/7/12/489/xml |
| article xml file uploaded | 16 December 2021 10:55 CET | Update | N/A |
| article html file updated | 14 December 2021 10:43 CET | Original file | N/A |
| article pdf uploaded. | 14 December 2021 10:42 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/489/pdf-vor |
| article xml uploaded. | 14 December 2021 10:42 CET | Update | N/A |
| article xml file uploaded | 14 December 2021 10:42 CET | Original file | N/A |
| article pdf uploaded. | 12 December 2021 10:15 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/489/pdf-vor |
