| article html file updated | 31 August 2025 07:51 CEST | Update | https://www.mdpi.com/1999-4907/11/1/51 |
| article html file updated | 19 July 2022 20:27 CEST | Update | - |
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| article supplementary file uploaded. | 31 December 2019 12:23 CET | - | https://www.mdpi.com/1999-4907/11/1/51#supplementary |
| article pdf uploaded. | 31 December 2019 12:23 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/1/51/pdf |
| article xml uploaded. | 31 December 2019 12:23 CET | Update | https://www.mdpi.com/1999-4907/11/1/51/xml |
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| article pdf uploaded. | 31 December 2019 09:56 CET | Version of Record | - |
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