| article html file updated | 31 August 2025 02:37 CEST | Update | https://www.mdpi.com/2073-4395/9/10/621 |
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| article pdf uploaded. | 10 October 2019 09:43 CEST | Updated version of record | https://www.mdpi.com/2073-4395/9/10/621/pdf |
| article xml uploaded. | 10 October 2019 09:43 CEST | Update | https://www.mdpi.com/2073-4395/9/10/621/xml |
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| article pdf uploaded. | 9 October 2019 16:51 CEST | Version of Record | https://www.mdpi.com/2073-4395/9/10/621/pdf-vor |
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