| article html file updated | 31 August 2025 08:41 CEST | Update | https://www.mdpi.com/2076-3921/9/1/64 |
| article html file updated | 20 July 2022 17:12 CEST | Update | - |
| article html file updated | 15 February 2020 01:50 CET | Update | - |
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| article html file updated | 23 January 2020 06:50 CET | Original file | - |
| article pdf uploaded. | 23 January 2020 06:48 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/1/64/pdf |
| article xml uploaded. | 23 January 2020 06:48 CET | Update | https://www.mdpi.com/2076-3921/9/1/64/xml |
| article xml file uploaded | 23 January 2020 06:48 CET | Update | - |
| article pdf uploaded. | 10 January 2020 12:38 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/64/pdf-vor |
| article xml file uploaded | 10 January 2020 12:38 CET | Original file | - |
