| article html file updated | 31 August 2025 17:33 CEST | Update | https://www.mdpi.com/1424-8247/13/4/68 |
| article html file updated | 21 July 2022 02:01 CEST | Update | - |
| article html file updated | 26 April 2020 12:43 CEST | Original file | - |
| article pdf uploaded. | 26 April 2020 12:42 CEST | Updated version of record | https://www.mdpi.com/1424-8247/13/4/68/pdf |
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| article pdf uploaded. | 15 April 2020 18:20 CEST | Version of Record | https://www.mdpi.com/1424-8247/13/4/68/pdf-vor |
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