| article html file updated | 30 August 2025 15:13 CEST | Update | https://www.mdpi.com/2227-7099/7/2/47 |
| article html file updated | 19 July 2022 18:45 CEST | Update | N/A |
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| article html file updated | 17 May 2019 14:50 CEST | Original file | N/A |
| article pdf uploaded. | 17 May 2019 14:48 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/2/47/pdf |
| article xml uploaded. | 17 May 2019 14:48 CEST | Update | https://www.mdpi.com/2227-7099/7/2/47/xml |
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