| article html file updated | 19 August 2026 13:53 CEST | Update | https://www.mdpi.com/2227-9717/9/6/909 |
| article html file updated | 2 September 2025 08:20 CEST | Update | N/A |
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| article html file updated | 21 May 2021 15:29 CEST | Original file | N/A |
| article pdf uploaded. | 21 May 2021 15:27 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/6/909/pdf |
| article xml uploaded. | 21 May 2021 15:27 CEST | Update | https://www.mdpi.com/2227-9717/9/6/909/xml |
| article xml file uploaded | 21 May 2021 15:27 CEST | Original file | N/A |
