| article html file updated | 31 August 2025 11:24 CEST | Update | https://www.mdpi.com/2223-7747/9/2/234 |
| article html file updated | 20 July 2022 19:55 CEST | Update | - |
| article html file updated | 6 March 2020 09:17 CET | Update | - |
| article html file updated | 29 February 2020 13:21 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 13:20 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/234/pdf |
| article xml uploaded. | 29 February 2020 13:20 CET | Update | https://www.mdpi.com/2223-7747/9/2/234/xml |
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| article pdf uploaded. | 18 February 2020 13:39 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/234/pdf-vor |
| article xml file uploaded | 18 February 2020 13:39 CET | Update | - |
| article pdf uploaded. | 11 February 2020 16:04 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/234/pdf-vor |
| article xml file uploaded | 11 February 2020 16:04 CET | Original file | - |
