| article html file updated | 17 August 2026 10:15 CEST | Update | https://www.mdpi.com/2309-608X/6/2/56 |
| article html file updated | 24 December 2025 18:35 CET | Update | N/A |
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| article html file updated | 21 July 2022 03:11 CEST | Update | N/A |
| article html file updated | 8 May 2020 08:35 CEST | Original file | N/A |
| article pdf uploaded. | 8 May 2020 08:34 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/56/pdf |
| article xml uploaded. | 8 May 2020 08:34 CEST | Update | https://www.mdpi.com/2309-608X/6/2/56/xml |
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| article pdf uploaded. | 27 April 2020 16:32 CEST | Version of Record | https://www.mdpi.com/2309-608X/6/2/56/pdf-vor |
| article xml file uploaded | 27 April 2020 16:32 CEST | Original file | N/A |
