| article html file updated | 31 August 2025 18:29 CEST | Update | https://www.mdpi.com/2079-9276/9/4/51 |
| article html file updated | 21 July 2022 02:55 CEST | Update | - |
| article html file updated | 8 May 2020 12:29 CEST | Update | - |
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| article pdf uploaded. | 28 April 2020 03:13 CEST | Updated version of record | https://www.mdpi.com/2079-9276/9/4/51/pdf |
| article xml uploaded. | 28 April 2020 03:13 CEST | Update | https://www.mdpi.com/2079-9276/9/4/51/xml |
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| article pdf uploaded. | 24 April 2020 14:38 CEST | Version of Record | https://www.mdpi.com/2079-9276/9/4/51/pdf-vor |
| article xml file uploaded | 24 April 2020 14:38 CEST | Original file | - |
