| article html file updated | 31 August 2025 08:06 CEST | Update | https://www.mdpi.com/1999-4915/12/1/57 |
| article html file updated | 19 July 2022 20:13 CEST | Update | - |
| article html file updated | 14 February 2020 23:48 CET | Update | - |
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| article html file updated | 3 January 2020 06:59 CET | Original file | - |
| article pdf uploaded. | 3 January 2020 06:58 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/57/pdf |
| article xml uploaded. | 3 January 2020 06:58 CET | Update | https://www.mdpi.com/1999-4915/12/1/57/xml |
| article xml file uploaded | 3 January 2020 06:58 CET | Original file | - |
