| article html file updated | 30 August 2025 03:35 CEST | Update | https://www.mdpi.com/1999-4915/10/4/209 |
| article html file updated | 16 July 2022 10:54 CEST | Update | N/A |
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| article pdf uploaded. | 20 April 2018 11:55 CEST | Version of Record | https://www.mdpi.com/1999-4915/10/4/209/pdf |
| article xml uploaded. | 20 April 2018 11:55 CEST | Update | https://www.mdpi.com/1999-4915/10/4/209/xml |
| article xml file uploaded | 20 April 2018 11:55 CEST | Original file | N/A |