| article html file updated | 31 August 2025 04:04 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4801 |
| article html file updated | 20 July 2022 00:17 CEST | Update | - |
| article html file updated | 14 February 2020 06:46 CET | Update | - |
| article html file updated | 15 November 2019 14:43 CET | Update | - |
| article html file updated | 5 November 2019 05:19 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 05:17 CET | Version of Record | https://www.mdpi.com/1424-8220/19/21/4801/pdf |
| article xml uploaded. | 5 November 2019 05:17 CET | Update | https://www.mdpi.com/1424-8220/19/21/4801/xml |
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