| article html file updated | 31 August 2025 22:00 CEST | Update | https://www.mdpi.com/2079-9276/9/6/64 |
| article html file updated | 21 July 2022 06:24 CEST | Update | - |
| article html file updated | 22 June 2020 05:57 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 05:55 CEST | Updated version of record | https://www.mdpi.com/2079-9276/9/6/64/pdf |
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| article pdf uploaded. | 29 May 2020 14:34 CEST | Updated version of record | https://www.mdpi.com/2079-9276/9/6/64/pdf-vor |
| article pdf uploaded. | 29 May 2020 14:34 CEST | Version of Record | https://www.mdpi.com/2079-9276/9/6/64/pdf-vor |
