| article html file updated | 24 December 2025 16:51 CET | Update | https://www.mdpi.com/1999-4915/12/1/18 |
| article html file updated | 31 August 2025 07:17 CEST | Update | N/A |
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| article html file updated | 23 December 2019 10:23 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2019 10:22 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/18/pdf |
| article xml uploaded. | 23 December 2019 10:22 CET | Update | https://www.mdpi.com/1999-4915/12/1/18/xml |
| article xml file uploaded | 23 December 2019 10:22 CET | Original file | N/A |
