| article html file updated | 2 September 2025 03:16 CEST | Update | https://www.mdpi.com/2227-9717/9/4/661 |
| article html file updated | 25 July 2022 11:30 CEST | Update | - |
| article html file updated | 4 August 2021 20:35 CEST | Update | - |
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| article pdf uploaded. | 11 April 2021 14:49 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/661/pdf |
| article xml uploaded. | 11 April 2021 14:49 CEST | Update | https://www.mdpi.com/2227-9717/9/4/661/xml |
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| article pdf uploaded. | 9 April 2021 14:09 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/4/661/pdf-vor |
