| article html file updated | 30 August 2025 10:48 CEST | Update | https://www.mdpi.com/2227-7072/7/1/4 |
| article html file updated | 17 July 2022 21:59 CEST | Update | - |
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| article html file updated | 14 January 2019 10:15 CET | Original file | - |
| article pdf uploaded. | 14 January 2019 10:12 CET | Updated version of record | https://www.mdpi.com/2227-7072/7/1/4/pdf |
| article xml uploaded. | 14 January 2019 10:12 CET | Update | https://www.mdpi.com/2227-7072/7/1/4/xml |
| article xml file uploaded | 14 January 2019 10:12 CET | Update | - |
| article pdf uploaded. | 9 January 2019 16:33 CET | Updated version of record | https://www.mdpi.com/2227-7072/7/1/4/pdf-vor |
| article pdf uploaded. | 9 January 2019 16:31 CET | Version of Record | https://www.mdpi.com/2227-7072/7/1/4/pdf-vor |
| article xml file uploaded | 9 January 2019 16:31 CET | Original file | - |
