| article html file updated | 31 August 2025 02:51 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3880 |
| article html file updated | 20 July 2022 01:41 CEST | Update | N/A |
| article html file updated | 14 February 2020 00:37 CET | Update | N/A |
| article html file updated | 29 October 2019 21:40 CET | Update | N/A |
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| article pdf uploaded. | 14 October 2019 10:35 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3880/pdf |
| article xml uploaded. | 14 October 2019 10:35 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3880/xml |
| article xml file uploaded | 14 October 2019 10:35 CEST | Original file | N/A |