| article html file updated | 29 August 2025 23:30 CEST | Update | https://www.mdpi.com/1996-1073/9/8/642 |
| article html file updated | 16 July 2022 03:07 CEST | Update | - |
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| article html file updated | 17 August 2016 10:21 CEST | Original file | - |
| article xml uploaded. | 17 August 2016 10:19 CEST | Update | https://www.mdpi.com/1996-1073/9/8/642/xml |
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| article pdf uploaded. | 17 August 2016 10:19 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/8/642/pdf |
