| article html file updated | 31 August 2025 22:34 CEST | Update | https://www.mdpi.com/2227-9067/7/6/57 |
| article html file updated | 21 July 2022 06:58 CEST | Update | - |
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| article pdf uploaded. | 14 June 2020 13:42 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/6/57/pdf |
| article xml uploaded. | 14 June 2020 13:42 CEST | Update | https://www.mdpi.com/2227-9067/7/6/57/xml |
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| article pdf uploaded. | 3 June 2020 16:05 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/6/57/pdf-vor |
