| article html file updated | 31 August 2025 17:40 CEST | Update | https://www.mdpi.com/2075-1702/8/2/18 |
| article html file updated | 21 July 2022 02:08 CEST | Update | N/A |
| article html file updated | 27 April 2020 10:50 CEST | Original file | N/A |
| article pdf uploaded. | 27 April 2020 10:48 CEST | Updated version of record | https://www.mdpi.com/2075-1702/8/2/18/pdf |
| article xml uploaded. | 27 April 2020 10:48 CEST | Update | https://www.mdpi.com/2075-1702/8/2/18/xml |
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| article pdf uploaded. | 16 April 2020 17:53 CEST | Version of Record | https://www.mdpi.com/2075-1702/8/2/18/pdf-vor |
| article xml file uploaded | 16 April 2020 17:53 CEST | Original file | N/A |
