| article html file updated | 31 August 2025 22:29 CEST | Update | https://www.mdpi.com/1999-4907/11/6/634 |
| article html file updated | 21 July 2022 06:53 CEST | Update | - |
| article html file updated | 22 June 2020 16:59 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 15:44 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/634/pdf |
| article xml uploaded. | 22 June 2020 15:44 CEST | Update | https://www.mdpi.com/1999-4907/11/6/634/xml |
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| article pdf uploaded. | 3 June 2020 12:03 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/634/pdf-vor |
