| article html file updated | 31 August 2025 07:42 CEST | Update | https://www.mdpi.com/1999-4915/12/1/39 |
| article html file updated | 19 July 2022 20:36 CEST | Update | - |
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| article pdf uploaded. | 29 December 2019 09:36 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/39/pdf |
| article xml uploaded. | 29 December 2019 09:36 CET | Update | https://www.mdpi.com/1999-4915/12/1/39/xml |
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