| article html file updated | 31 August 2025 20:50 CEST | Update | https://www.mdpi.com/2227-9091/8/2/48 |
| article html file updated | 21 July 2022 05:14 CEST | Update | - |
| article html file updated | 9 October 2020 01:57 CEST | Update | - |
| article html file updated | 11 June 2020 05:33 CEST | Original file | - |
| article pdf uploaded. | 11 June 2020 05:32 CEST | Updated version of record | https://www.mdpi.com/2227-9091/8/2/48/pdf |
| article xml uploaded. | 11 June 2020 05:32 CEST | Update | https://www.mdpi.com/2227-9091/8/2/48/xml |
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| article pdf uploaded. | 20 May 2020 03:05 CEST | Updated version of record | https://www.mdpi.com/2227-9091/8/2/48/pdf-vor |
| article pdf uploaded. | 18 May 2020 15:39 CEST | Version of Record | https://www.mdpi.com/2227-9091/8/2/48/pdf-vor |
| article xml file uploaded | 18 May 2020 15:39 CEST | Original file | - |
