| article html file updated | 31 August 2025 11:26 CEST | Update | https://www.mdpi.com/2223-7747/9/2/236 |
| article html file updated | 20 July 2022 19:57 CEST | Update | - |
| article html file updated | 6 March 2020 09:19 CET | Update | - |
| article html file updated | 18 February 2020 07:23 CET | Original file | - |
| article pdf uploaded. | 18 February 2020 07:22 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/236/pdf |
| article xml uploaded. | 18 February 2020 07:22 CET | Update | https://www.mdpi.com/2223-7747/9/2/236/xml |
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| article pdf uploaded. | 12 February 2020 12:14 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/236/pdf-vor |
| article xml file uploaded | 12 February 2020 12:14 CET | Original file | - |
