| article html file updated | 31 August 2025 23:05 CEST | Update | https://www.mdpi.com/1999-4907/11/6/657 |
| article html file updated | 21 July 2022 20:20 CEST | Update | - |
| article html file updated | 16 June 2020 08:53 CEST | Original file | - |
| article pdf uploaded. | 16 June 2020 08:52 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/657/pdf |
| article xml uploaded. | 16 June 2020 08:52 CEST | Update | https://www.mdpi.com/1999-4907/11/6/657/xml |
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| article pdf uploaded. | 9 June 2020 13:00 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/657/pdf-vor |
