| article html file updated | 31 August 2025 11:34 CEST | Update | https://www.mdpi.com/1999-4907/11/2/212 |
| article html file updated | 20 July 2022 20:05 CEST | Update | - |
| article html file updated | 7 March 2020 08:27 CET | Update | - |
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| article html file updated | 13 February 2020 13:56 CET | Original file | - |
| article pdf uploaded. | 13 February 2020 13:54 CET | Version of Record | https://www.mdpi.com/1999-4907/11/2/212/pdf |
| article xml uploaded. | 13 February 2020 13:54 CET | Update | https://www.mdpi.com/1999-4907/11/2/212/xml |
| article xml file uploaded | 13 February 2020 13:54 CET | Original file | - |
