| article html file updated | 31 August 2025 06:00 CEST | Update | https://www.mdpi.com/1999-4923/11/12/661 |
| article html file updated | 19 July 2022 22:14 CEST | Update | - |
| article html file updated | 14 February 2020 16:48 CET | Update | - |
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| article html file updated | 30 December 2019 23:55 CET | Update | - |
| article html file updated | 7 December 2019 10:44 CET | Original file | - |
| article pdf uploaded. | 7 December 2019 10:43 CET | Version of Record | https://www.mdpi.com/1999-4923/11/12/661/pdf |
| article xml uploaded. | 7 December 2019 10:43 CET | Update | https://www.mdpi.com/1999-4923/11/12/661/xml |
| article xml file uploaded | 7 December 2019 10:43 CET | Original file | - |
