| article html file updated | 31 August 2025 18:13 CEST | Update | https://www.mdpi.com/2227-7080/8/2/20 |
| article html file updated | 21 July 2022 02:40 CEST | Update | N/A |
| article html file updated | 12 May 2020 05:33 CEST | Original file | N/A |
| article pdf uploaded. | 12 May 2020 05:31 CEST | Updated version of record | https://www.mdpi.com/2227-7080/8/2/20/pdf |
| article xml uploaded. | 12 May 2020 05:31 CEST | Update | https://www.mdpi.com/2227-7080/8/2/20/xml |
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| article pdf uploaded. | 22 April 2020 14:35 CEST | Version of Record | https://www.mdpi.com/2227-7080/8/2/20/pdf-vor |
| article xml file uploaded | 22 April 2020 14:35 CEST | Original file | N/A |
