| article html file updated | 1 September 2025 17:29 CEST | Update | https://www.mdpi.com/2226-4787/9/1/7 |
| article html file updated | 23 July 2022 09:09 CEST | Update | - |
| article html file updated | 6 January 2021 01:59 CET | Update | - |
| article pdf uploaded. | 6 January 2021 01:57 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/1/7/pdf |
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| article pdf uploaded. | 2 January 2021 10:29 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/1/7/pdf-vor |
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| article pdf uploaded. | 31 December 2020 12:22 CET | Version of Record | https://www.mdpi.com/2226-4787/9/1/7/pdf-vor |
