| article html file updated | 31 August 2025 00:54 CEST | Update | https://www.mdpi.com/2226-4310/6/9/97 |
| article html file updated | 20 July 2022 04:03 CEST | Update | - |
| article html file updated | 13 February 2020 14:57 CET | Update | - |
| article html file updated | 27 September 2019 14:32 CEST | Update | - |
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| article pdf uploaded. | 4 September 2019 05:46 CEST | Version of Record | https://www.mdpi.com/2226-4310/6/9/97/pdf |
| article xml uploaded. | 4 September 2019 05:46 CEST | Update | https://www.mdpi.com/2226-4310/6/9/97/xml |
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