| article html file updated | 31 August 2025 16:49 CEST | Update | https://www.mdpi.com/2220-9964/9/4/227 |
| article html file updated | 21 July 2022 01:18 CEST | Update | - |
| article html file updated | 10 April 2020 06:24 CEST | Original file | - |
| article pdf uploaded. | 10 April 2020 06:22 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/4/227/pdf |
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| article pdf uploaded. | 8 April 2020 14:54 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/4/227/pdf-vor |
| article xml file uploaded | 8 April 2020 14:54 CEST | Original file | - |
