| article html file updated | 17 August 2026 13:44 CEST | Update | https://www.mdpi.com/2072-6694/12/6/1421 |
| article html file updated | 24 December 2025 19:05 CET | Update | N/A |
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| article html file updated | 15 June 2020 17:45 CEST | Original file | N/A |
| article pdf uploaded. | 15 June 2020 17:44 CEST | Updated version of record | https://www.mdpi.com/2072-6694/12/6/1421/pdf |
| article xml uploaded. | 15 June 2020 17:44 CEST | Update | https://www.mdpi.com/2072-6694/12/6/1421/xml |
| article xml file uploaded | 15 June 2020 17:44 CEST | Original file | N/A |
| article pdf uploaded. | 31 May 2020 06:15 CEST | Version of Record | https://www.mdpi.com/2072-6694/12/6/1421/pdf-vor |
