| article html file updated | 31 August 2025 03:53 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4176 |
| article html file updated | 20 July 2022 00:29 CEST | Update | - |
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| article pdf uploaded. | 4 November 2019 11:01 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4176/pdf |
| article xml uploaded. | 4 November 2019 11:01 CET | Update | https://www.mdpi.com/1996-1073/12/21/4176/xml |
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| article html file updated | 1 November 2019 11:48 CET | Original file | - |
| article pdf uploaded. | 1 November 2019 11:28 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4176/pdf-vor |
| article xml uploaded. | 1 November 2019 11:28 CET | Update | - |
| article xml file uploaded | 1 November 2019 11:27 CET | Original file | - |
