| article html file updated | 30 August 2025 09:20 CEST | Update | https://www.mdpi.com/2075-1680/7/4/90 |
| article html file updated | 17 July 2022 11:50 CEST | Update | - |
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| article html file updated | 6 December 2018 11:19 CET | Original file | - |
| article pdf uploaded. | 6 December 2018 11:17 CET | Updated version of record | https://www.mdpi.com/2075-1680/7/4/90/pdf |
| article xml uploaded. | 6 December 2018 11:17 CET | Update | https://www.mdpi.com/2075-1680/7/4/90/xml |
| article xml file uploaded | 6 December 2018 11:17 CET | Update | - |
| article pdf uploaded. | 28 November 2018 16:39 CET | Updated version of record | https://www.mdpi.com/2075-1680/7/4/90/pdf-vor |
| article pdf uploaded. | 28 November 2018 16:37 CET | Version of Record | https://www.mdpi.com/2075-1680/7/4/90/pdf-vor |
| article xml file uploaded | 28 November 2018 16:37 CET | Original file | - |
