| article html file updated | 31 August 2025 16:47 CEST | Update | https://www.mdpi.com/2227-9717/8/4/439 |
| article html file updated | 21 July 2022 01:17 CEST | Update | - |
| article html file updated | 8 May 2020 18:13 CEST | Update | - |
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| article pdf uploaded. | 18 April 2020 06:12 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/439/pdf |
| article xml uploaded. | 18 April 2020 06:12 CEST | Update | https://www.mdpi.com/2227-9717/8/4/439/xml |
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| article html file updated | 8 April 2020 12:58 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 12:56 CEST | Version of Record | https://www.mdpi.com/2227-9717/8/4/439/pdf-vor |
| article xml file uploaded | 8 April 2020 12:56 CEST | Original file | - |
