| article html file updated | 1 September 2025 17:12 CEST | Update | https://www.mdpi.com/2226-4310/8/1/6 |
| article html file updated | 23 July 2022 08:01 CEST | Update | - |
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| article pdf uploaded. | 2 January 2021 14:46 CET | Updated version of record | https://www.mdpi.com/2226-4310/8/1/6/pdf |
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| article html file updated | 31 December 2020 10:01 CET | Update | - |
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| article pdf uploaded. | 31 December 2020 04:44 CET | Updated version of record | https://www.mdpi.com/2226-4310/8/1/6/pdf-vor |
| article xml uploaded. | 31 December 2020 04:44 CET | Update | - |
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| article pdf uploaded. | 28 December 2020 17:55 CET | Version of Record | https://www.mdpi.com/2226-4310/8/1/6/pdf-vor |
