| article html file updated | 31 August 2025 09:55 CEST | Update | https://www.mdpi.com/1999-4907/11/2/138 |
| article html file updated | 20 July 2022 18:26 CEST | Update | - |
| article html file updated | 7 March 2020 04:34 CET | Update | - |
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| article html file updated | 15 February 2020 05:46 CET | Update | - |
| article html file updated | 24 January 2020 14:26 CET | Original file | - |
| article pdf uploaded. | 24 January 2020 14:25 CET | Version of Record | https://www.mdpi.com/1999-4907/11/2/138/pdf |
| article xml uploaded. | 24 January 2020 14:25 CET | Update | https://www.mdpi.com/1999-4907/11/2/138/xml |
| article xml file uploaded | 24 January 2020 14:25 CET | Original file | - |
