| article html file updated | 29 August 2025 23:56 CEST | Update | https://www.mdpi.com/1996-1073/9/11/973 |
| article html file updated | 16 July 2022 03:55 CEST | Update | - |
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| article xml uploaded. | 22 November 2016 11:57 CET | Update | https://www.mdpi.com/1996-1073/9/11/973/xml |
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| article pdf uploaded. | 22 November 2016 11:57 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/973/pdf |
