| article html file updated | 31 August 2025 16:59 CEST | Update | https://www.mdpi.com/2304-8158/9/4/471 |
| article html file updated | 21 July 2022 01:28 CEST | Update | - |
| article html file updated | 23 April 2020 16:06 CEST | Original file | - |
| article pdf uploaded. | 23 April 2020 16:05 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/471/pdf |
| article xml uploaded. | 23 April 2020 16:05 CEST | Update | https://www.mdpi.com/2304-8158/9/4/471/xml |
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| article pdf uploaded. | 9 April 2020 17:50 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/471/pdf-vor |
| article xml file uploaded | 9 April 2020 17:50 CEST | Original file | - |
