| article html file updated | 31 August 2025 04:30 CEST | Update | https://www.mdpi.com/1996-1073/12/22/4309 |
| article html file updated | 19 July 2022 23:48 CEST | Update | - |
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| article html file updated | 27 November 2019 20:48 CET | Update | - |
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| article pdf uploaded. | 12 November 2019 12:23 CET | Version of Record | https://www.mdpi.com/1996-1073/12/22/4309/pdf |
| article xml uploaded. | 12 November 2019 12:23 CET | Update | https://www.mdpi.com/1996-1073/12/22/4309/xml |
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