| article html file updated | 23 October 2025 06:52 CEST | Update | https://www.mdpi.com/2076-2615/9/6/333 |
| article html file updated | 30 August 2025 20:54 CEST | Update | N/A |
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| article html file updated | 12 February 2020 18:30 CET | Update | N/A |
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| article html file updated | 8 June 2019 12:18 CEST | Original file | N/A |
| article pdf uploaded. | 8 June 2019 12:17 CEST | Version of Record | https://www.mdpi.com/2076-2615/9/6/333/pdf |
| article xml uploaded. | 8 June 2019 12:17 CEST | Update | https://www.mdpi.com/2076-2615/9/6/333/xml |
| article xml file uploaded | 8 June 2019 12:17 CEST | Original file | N/A |
