| article html file updated | 31 August 2025 12:56 CEST | Update | https://www.mdpi.com/2079-8954/8/1/6 |
| article html file updated | 20 July 2022 21:25 CEST | Update | - |
| article html file updated | 26 March 2020 09:27 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 09:25 CET | Updated version of record | https://www.mdpi.com/2079-8954/8/1/6/pdf |
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| article pdf uploaded. | 27 February 2020 16:24 CET | Version of Record | https://www.mdpi.com/2079-8954/8/1/6/pdf-vor |
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