| article html file updated | 31 August 2025 08:26 CEST | Update | https://www.mdpi.com/1999-4923/12/1/52 |
| article html file updated | 19 July 2022 19:53 CEST | Update | - |
| article html file updated | 15 February 2020 00:58 CET | Update | - |
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| article html file updated | 8 January 2020 09:38 CET | Original file | - |
| article pdf uploaded. | 8 January 2020 09:36 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/52/pdf |
| article xml uploaded. | 8 January 2020 09:36 CET | Update | https://www.mdpi.com/1999-4923/12/1/52/xml |
| article xml file uploaded | 8 January 2020 09:36 CET | Original file | - |
