| article html file updated | 16 August 2026 15:40 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4423 |
| article html file updated | 31 August 2025 02:48 CEST | Update | N/A |
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| article html file updated | 14 February 2020 00:20 CET | Update | N/A |
| article html file updated | 30 October 2019 23:03 CET | Update | N/A |
| article html file updated | 23 October 2019 10:29 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2019 10:22 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4423/pdf |
| article xml uploaded. | 23 October 2019 10:22 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4423/xml |
| article xml file uploaded | 23 October 2019 10:22 CEST | Update | N/A |
| article pdf uploaded. | 12 October 2019 12:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4423/pdf-vor |
| article xml file uploaded | 12 October 2019 12:34 CEST | Original file | N/A |
