| article html file updated | 1 September 2025 16:56 CEST | Update | https://www.mdpi.com/1996-1073/14/1/64 |
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| article html file updated | 27 December 2020 09:59 CET | Update | - |
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| article pdf uploaded. | 26 December 2020 13:45 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/64/pdf |
| article xml uploaded. | 26 December 2020 13:45 CET | Update | https://www.mdpi.com/1996-1073/14/1/64/xml |
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| article pdf uploaded. | 24 December 2020 14:59 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/64/pdf-vor |
