| article html file updated | 31 August 2025 16:01 CEST | Update | https://www.mdpi.com/2220-9964/9/4/215 |
| article html file updated | 21 July 2022 00:30 CEST | Update | - |
| article html file updated | 14 April 2020 09:07 CEST | Original file | - |
| article pdf uploaded. | 14 April 2020 09:05 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/4/215/pdf |
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| article pdf uploaded. | 31 March 2020 15:15 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/4/215/pdf-vor |
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