| article html file updated | 31 August 2025 03:32 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4081 |
| article html file updated | 20 July 2022 00:53 CEST | Update | N/A |
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| article html file updated | 1 November 2019 08:43 CET | Original file | N/A |
| article pdf uploaded. | 1 November 2019 08:42 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4081/pdf |
| article xml uploaded. | 1 November 2019 08:42 CET | Update | https://www.mdpi.com/1996-1073/12/21/4081/xml |
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| article pdf uploaded. | 25 October 2019 16:09 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4081/pdf-vor |
| article xml file uploaded | 25 October 2019 16:09 CEST | Original file | N/A |