| article html file updated | 31 August 2025 14:48 CEST | Update | https://www.mdpi.com/2227-7099/8/1/22 |
| article html file updated | 20 July 2022 23:17 CEST | Update | - |
| article html file updated | 8 October 2020 18:54 CEST | Update | - |
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| article pdf uploaded. | 26 March 2020 04:23 CET | Updated version of record | https://www.mdpi.com/2227-7099/8/1/22/pdf |
| article xml uploaded. | 26 March 2020 04:23 CET | Update | https://www.mdpi.com/2227-7099/8/1/22/xml |
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| article pdf uploaded. | 18 March 2020 15:08 CET | Version of Record | https://www.mdpi.com/2227-7099/8/1/22/pdf-vor |
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