| article html file updated | 30 August 2025 13:53 CEST | Update | https://www.mdpi.com/2227-9717/7/4/207 |
| article html file updated | 19 July 2022 17:26 CEST | Update | - |
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| article pdf uploaded. | 11 April 2019 12:55 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/207/pdf |
| article xml uploaded. | 11 April 2019 12:55 CEST | Update | https://www.mdpi.com/2227-9717/7/4/207/xml |
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