| article html file updated | 30 August 2025 20:30 CEST | Update | https://www.mdpi.com/2079-9292/8/6/611 |
| article html file updated | 19 July 2022 19:23 CEST | Update | - |
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| article html file updated | 24 June 2019 08:15 CEST | Original file | - |
| article pdf uploaded. | 24 June 2019 08:13 CEST | Updated version of record | https://www.mdpi.com/2079-9292/8/6/611/pdf |
| article xml uploaded. | 24 June 2019 08:13 CEST | Update | https://www.mdpi.com/2079-9292/8/6/611/xml |
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| article pdf uploaded. | 30 May 2019 16:04 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/6/611/pdf-vor |
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