| article html file updated | 30 August 2025 11:16 CEST | Update | https://www.mdpi.com/1996-1073/12/2/320 |
| article html file updated | 18 July 2022 00:29 CEST | Update | N/A |
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| article html file updated | 22 January 2019 09:39 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2019 09:37 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/320/pdf |
| article xml uploaded. | 22 January 2019 09:37 CET | Update | https://www.mdpi.com/1996-1073/12/2/320/xml |
| article xml file uploaded | 22 January 2019 09:37 CET | Update | N/A |
| article pdf uploaded. | 20 January 2019 12:36 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/320/pdf-vor |
| article xml file uploaded | 20 January 2019 12:36 CET | Original file | N/A |