| article html file updated | 31 August 2025 16:15 CEST | Update | https://www.mdpi.com/2076-2607/8/4/506 |
| article html file updated | 21 July 2022 00:44 CEST | Update | - |
| article html file updated | 10 May 2020 16:01 CEST | Update | - |
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| article pdf uploaded. | 2 April 2020 12:54 CEST | Updated version of record | https://www.mdpi.com/2076-2607/8/4/506/pdf |
| article xml file uploaded | 2 April 2020 12:54 CEST | Update | https://www.mdpi.com/2076-2607/8/4/506/xml |
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