| article html file updated | 30 August 2025 06:22 CEST | Update | https://www.mdpi.com/1424-8220/18/9/2808 |
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| article html file updated | 28 August 2018 13:45 CEST | Original file | - |
| article pdf uploaded. | 28 August 2018 13:43 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/9/2808/pdf |
| article xml uploaded. | 28 August 2018 13:43 CEST | Update | https://www.mdpi.com/1424-8220/18/9/2808/xml |
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| article pdf uploaded. | 25 August 2018 14:06 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/9/2808/pdf-vor |
| article pdf uploaded. | 25 August 2018 14:03 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/9/2808/pdf-vor |
| article xml file uploaded | 25 August 2018 14:03 CEST | Original file | - |
