| article html file updated | 31 August 2025 22:20 CEST | Update | https://www.mdpi.com/2225-1154/8/6/69 |
| article html file updated | 21 July 2022 06:44 CEST | Update | - |
| article html file updated | 10 October 2020 08:00 CEST | Update | - |
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| article html file updated | 29 June 2020 09:53 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 09:51 CEST | Updated version of record | https://www.mdpi.com/2225-1154/8/6/69/pdf |
| article xml uploaded. | 29 June 2020 09:51 CEST | Update | https://www.mdpi.com/2225-1154/8/6/69/xml |
| article xml file uploaded | 29 June 2020 09:51 CEST | Original file | - |
| article pdf uploaded. | 1 June 2020 17:05 CEST | Version of Record | https://www.mdpi.com/2225-1154/8/6/69/pdf-vor |
