| article html file updated | 30 August 2025 14:08 CEST | Update | https://www.mdpi.com/2227-9717/7/4/221 |
| article html file updated | 19 July 2022 17:41 CEST | Update | N/A |
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| article pdf uploaded. | 18 April 2019 14:54 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/221/pdf |
| article xml uploaded. | 18 April 2019 14:54 CEST | Update | https://www.mdpi.com/2227-9717/7/4/221/xml |
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