| article html file updated | 31 August 2025 09:29 CEST | Update | https://www.mdpi.com/1996-1073/13/2/502 |
| article html file updated | 20 July 2022 18:01 CEST | Update | - |
| article html file updated | 15 February 2020 04:39 CET | Update | - |
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| article html file updated | 20 January 2020 12:02 CET | Original file | - |
| article pdf uploaded. | 20 January 2020 11:57 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/502/pdf |
| article xml uploaded. | 20 January 2020 11:57 CET | Update | https://www.mdpi.com/1996-1073/13/2/502/xml |
| article xml file uploaded | 20 January 2020 11:57 CET | Original file | - |
