| article html file updated | 31 August 2025 03:59 CEST | Update | https://www.mdpi.com/1996-1944/12/21/3609 |
| article html file updated | 20 July 2022 00:22 CEST | Update | - |
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| article html file updated | 3 November 2019 10:43 CET | Original file | - |
| article pdf uploaded. | 3 November 2019 10:42 CET | Version of Record | https://www.mdpi.com/1996-1944/12/21/3609/pdf |
| article xml uploaded. | 3 November 2019 10:42 CET | Update | https://www.mdpi.com/1996-1944/12/21/3609/xml |
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