| article html file updated | 17 August 2026 07:16 CEST | Update | https://www.mdpi.com/1424-8247/13/4/57 |
| article html file updated | 31 August 2025 15:49 CEST | Update | N/A |
| article html file updated | 21 July 2022 00:18 CEST | Update | N/A |
| article html file updated | 8 April 2020 15:17 CEST | Original file | N/A |
| article pdf uploaded. | 8 April 2020 15:15 CEST | Updated version of record | https://www.mdpi.com/1424-8247/13/4/57/pdf |
| article xml uploaded. | 8 April 2020 15:15 CEST | Update | https://www.mdpi.com/1424-8247/13/4/57/xml |
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| article pdf uploaded. | 29 March 2020 12:41 CEST | Version of Record | https://www.mdpi.com/1424-8247/13/4/57/pdf-vor |
| article xml file uploaded | 29 March 2020 12:41 CEST | Original file | N/A |
