| article html file updated | 6 September 2025 23:40 CEST | Update | https://www.mdpi.com/2218-1997/7/9/315 |
| article html file updated | 28 July 2022 08:00 CEST | Update | - |
| article html file updated | 3 September 2021 09:59 CEST | Update | - |
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| article pdf uploaded. | 2 September 2021 12:47 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/9/315/pdf |
| article xml uploaded. | 2 September 2021 12:47 CEST | Update | https://www.mdpi.com/2218-1997/7/9/315/xml |
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| article pdf uploaded. | 26 August 2021 13:39 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/9/315/pdf-vor |
