| article html file updated | 16 August 2026 22:48 CEST | Update | https://www.mdpi.com/1424-8220/20/1/257 |
| article html file updated | 31 August 2025 07:59 CEST | Update | N/A |
| article html file updated | 19 July 2022 20:19 CEST | Update | N/A |
| article html file updated | 14 February 2020 23:23 CET | Update | N/A |
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| article html file updated | 2 January 2020 11:19 CET | Original file | N/A |
| article pdf uploaded. | 2 January 2020 11:17 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/1/257/pdf |
| article xml uploaded. | 2 January 2020 11:17 CET | Update | https://www.mdpi.com/1424-8220/20/1/257/xml |
| article xml file uploaded | 2 January 2020 11:17 CET | Update | N/A |
| article pdf uploaded. | 1 January 2020 11:03 CET | Version of Record | https://www.mdpi.com/1424-8220/20/1/257/pdf-vor |
| article xml file uploaded | 1 January 2020 11:03 CET | Original file | N/A |
