| article html file updated | 31 August 2025 09:19 CEST | Update | https://www.mdpi.com/2227-9067/7/1/8 |
| article html file updated | 20 July 2022 17:51 CEST | Update | - |
| article html file updated | 15 February 2020 04:01 CET | Update | - |
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| article xml uploaded. | 31 January 2020 10:57 CET | Update | https://www.mdpi.com/2227-9067/7/1/8/xml |
| article pdf uploaded. | 31 January 2020 10:57 CET | Updated version of record | https://www.mdpi.com/2227-9067/7/1/8/pdf |
| article pdf uploaded. | 18 January 2020 07:31 CET | Version of Record | https://www.mdpi.com/2227-9067/7/1/8/pdf-vor |
| article xml file uploaded | 18 January 2020 07:31 CET | Original file | - |
