| article html file updated | 31 August 2025 03:43 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4708 |
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| article html file updated | 15 November 2019 13:50 CET | Update | - |
| article html file updated | 5 November 2019 11:37 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 11:35 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4708/pdf |
| article xml uploaded. | 5 November 2019 11:35 CET | Update | https://www.mdpi.com/1424-8220/19/21/4708/xml |
| article xml file uploaded | 5 November 2019 11:35 CET | Update | - |
| article pdf uploaded. | 29 October 2019 17:14 CET | Version of Record | https://www.mdpi.com/1424-8220/19/21/4708/pdf-vor |
| article xml file uploaded | 29 October 2019 17:14 CET | Original file | - |
