| article html file updated | 17 August 2026 15:49 CEST | Update | https://www.mdpi.com/2079-9292/9/6/1021 |
| article html file updated | 24 December 2025 19:25 CET | Update | N/A |
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| article html file updated | 21 July 2022 21:24 CEST | Update | N/A |
| article html file updated | 30 June 2020 06:00 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 05:58 CEST | Updated version of record | https://www.mdpi.com/2079-9292/9/6/1021/pdf |
| article xml uploaded. | 30 June 2020 05:58 CEST | Update | https://www.mdpi.com/2079-9292/9/6/1021/xml |
| article xml file uploaded | 30 June 2020 05:58 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2020 13:56 CEST | Version of Record | https://www.mdpi.com/2079-9292/9/6/1021/pdf-vor |
