| article html file updated | 31 August 2025 09:08 CEST | Update | https://www.mdpi.com/1424-8220/20/2/502 |
| article html file updated | 20 July 2022 17:40 CEST | Update | - |
| article html file updated | 15 February 2020 03:24 CET | Update | - |
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| article html file updated | 16 January 2020 18:21 CET | Original file | - |
| article pdf uploaded. | 16 January 2020 11:05 CET | Version of Record | https://www.mdpi.com/1424-8220/20/2/502/pdf |
| article xml uploaded. | 16 January 2020 11:05 CET | Update | https://www.mdpi.com/1424-8220/20/2/502/xml |
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