| article html file updated | 30 August 2025 01:00 CEST | Update | https://www.mdpi.com/1999-4915/9/8/234 |
| article html file updated | 16 July 2022 05:57 CEST | Update | - |
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| article xml uploaded. | 22 August 2017 08:41 CEST | Update | https://www.mdpi.com/1999-4915/9/8/234/xml |
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| article pdf uploaded. | 22 August 2017 08:41 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/8/234/pdf |
| article pdf uploaded. | 21 August 2017 14:53 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/8/234/pdf-vor |
