| article html file updated | 31 August 2025 03:43 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4704 |
| article html file updated | 20 July 2022 00:41 CEST | Update | - |
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| article html file updated | 15 November 2019 13:48 CET | Update | - |
| article html file updated | 4 November 2019 02:43 CET | Original file | - |
| article pdf uploaded. | 4 November 2019 02:41 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4704/pdf |
| article xml uploaded. | 4 November 2019 02:41 CET | Update | https://www.mdpi.com/1424-8220/19/21/4704/xml |
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| article pdf uploaded. | 29 October 2019 16:47 CET | Version of Record | https://www.mdpi.com/1424-8220/19/21/4704/pdf-vor |
| article xml file uploaded | 29 October 2019 16:47 CET | Original file | - |
