| article html file updated | 31 August 2025 00:12 CEST | Update | https://www.mdpi.com/2227-7102/9/3/220 |
| article html file updated | 20 July 2022 04:55 CEST | Update | - |
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| article pdf uploaded. | 12 September 2019 03:13 CEST | Updated version of record | https://www.mdpi.com/2227-7102/9/3/220/pdf |
| article xml uploaded. | 12 September 2019 03:13 CEST | Update | https://www.mdpi.com/2227-7102/9/3/220/xml |
| article xml file uploaded | 12 September 2019 03:13 CEST | Update | - |
| article pdf uploaded. | 20 August 2019 15:30 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/3/220/pdf-vor |
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