| article html file updated | 31 August 2025 15:56 CEST | Update | https://www.mdpi.com/2225-1154/8/4/50 |
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| article html file updated | 8 May 2020 19:29 CEST | Update | - |
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| article pdf uploaded. | 9 April 2020 06:18 CEST | Updated version of record | https://www.mdpi.com/2225-1154/8/4/50/pdf |
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| article pdf uploaded. | 30 March 2020 16:14 CEST | Version of Record | https://www.mdpi.com/2225-1154/8/4/50/pdf-vor |
| article xml file uploaded | 30 March 2020 16:14 CEST | Original file | - |
