| article html file updated | 31 August 2025 11:17 CEST | Update | https://www.mdpi.com/2079-7737/9/2/28 |
| article html file updated | 20 July 2022 19:48 CEST | Update | - |
| article html file updated | 7 March 2020 06:25 CET | Update | - |
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| article html file updated | 27 February 2020 13:23 CET | Original file | - |
| article pdf uploaded. | 27 February 2020 13:21 CET | Updated version of record | https://www.mdpi.com/2079-7737/9/2/28/pdf |
| article xml uploaded. | 27 February 2020 13:21 CET | Update | https://www.mdpi.com/2079-7737/9/2/28/xml |
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| article pdf uploaded. | 10 February 2020 16:35 CET | Version of Record | https://www.mdpi.com/2079-7737/9/2/28/pdf-vor |
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