| article html file updated | 18 August 2026 11:42 CEST | Update | https://www.mdpi.com/2223-7747/9/12/1686 |
| article html file updated | 25 December 2025 00:02 CET | Update | N/A |
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| article html file updated | 23 July 2022 03:24 CEST | Update | N/A |
| article html file updated | 21 December 2020 06:46 CET | Update | N/A |
| article pdf uploaded. | 21 December 2020 06:44 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/12/1686/pdf |
| article xml uploaded. | 21 December 2020 06:44 CET | Update | https://www.mdpi.com/2223-7747/9/12/1686/xml |
| article xml file uploaded | 21 December 2020 06:44 CET | Update | N/A |
| article html file updated | 2 December 2020 11:33 CET | Original file | N/A |
| article pdf uploaded. | 2 December 2020 11:26 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/12/1686/pdf-vor |
| article xml uploaded. | 2 December 2020 11:26 CET | Update | N/A |
| article xml file uploaded | 2 December 2020 11:26 CET | Original file | N/A |
| article supplementary file uploaded. | 1 December 2020 10:52 CET | - | https://www.mdpi.com/2223-7747/9/12/1686#supplementary |
| article pdf uploaded. | 1 December 2020 10:52 CET | Version of Record | https://www.mdpi.com/2223-7747/9/12/1686/pdf-vor |
