| article html file updated | 31 August 2025 00:50 CEST | Update | https://www.mdpi.com/2227-7390/7/9/809 |
| article html file updated | 20 July 2022 04:09 CEST | Update | - |
| article html file updated | 13 February 2020 14:30 CET | Update | - |
| article html file updated | 26 September 2019 08:39 CEST | Update | - |
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| article pdf uploaded. | 2 September 2019 13:05 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/9/809/pdf |
| article xml uploaded. | 2 September 2019 13:05 CEST | Update | https://www.mdpi.com/2227-7390/7/9/809/xml |
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