| article html file updated | 26 December 2025 13:03 CET | Update | https://www.mdpi.com/2218-1997/7/12/501 |
| article html file updated | 7 September 2025 09:00 CEST | Update | - |
| article html file updated | 30 July 2022 22:50 CEST | Update | - |
| article html file updated | 17 December 2021 08:27 CET | Original file | - |
| article pdf uploaded. | 17 December 2021 08:25 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/501/pdf |
| article xml uploaded. | 17 December 2021 08:25 CET | Update | https://www.mdpi.com/2218-1997/7/12/501/xml |
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