| article html file updated | 30 August 2025 20:23 CEST | Update | https://www.mdpi.com/2079-6382/8/2/69 |
| article html file updated | 19 July 2022 19:15 CEST | Update | - |
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| article pdf uploaded. | 25 June 2019 10:40 CEST | Updated version of record | https://www.mdpi.com/2079-6382/8/2/69/pdf |
| article xml uploaded. | 25 June 2019 10:40 CEST | Update | https://www.mdpi.com/2079-6382/8/2/69/xml |
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| article pdf uploaded. | 28 May 2019 15:06 CEST | Version of Record | https://www.mdpi.com/2079-6382/8/2/69/pdf-vor |
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