| article html file updated | 7 September 2025 05:17 CEST | Update | https://www.mdpi.com/2218-1997/7/11/442 |
| article html file updated | 30 July 2022 16:59 CEST | Update | - |
| article html file updated | 17 November 2021 04:28 CET | Original file | - |
| article pdf uploaded. | 17 November 2021 04:27 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/11/442/pdf |
| article xml uploaded. | 17 November 2021 04:27 CET | Update | https://www.mdpi.com/2218-1997/7/11/442/xml |
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| article pdf uploaded. | 16 November 2021 14:58 CET | Version of Record | https://www.mdpi.com/2218-1997/7/11/442/pdf-vor |
