| article html file updated | 10 October 2025 09:19 CEST | Update | https://www.mdpi.com/1999-5903/12/9/156 |
| article html file updated | 22 July 2022 07:37 CEST | Update | - |
| article html file updated | 18 September 2020 06:36 CEST | Original file | - |
| article pdf uploaded. | 18 September 2020 06:35 CEST | Version of Record | https://www.mdpi.com/1999-5903/12/9/156/pdf |
| article xml uploaded. | 18 September 2020 06:35 CEST | Update | https://www.mdpi.com/1999-5903/12/9/156/xml |
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