| article html file updated | 30 August 2025 20:53 CEST | Update | https://www.mdpi.com/2075-4426/9/2/31 |
| article html file updated | 20 July 2022 15:54 CEST | Update | - |
| article html file updated | 12 February 2020 18:23 CET | Update | - |
| article html file updated | 21 October 2019 13:22 CEST | Update | - |
| article html file updated | 26 June 2019 04:13 CEST | Original file | - |
| article pdf uploaded. | 26 June 2019 04:11 CEST | Updated version of record | https://www.mdpi.com/2075-4426/9/2/31/pdf |
| article xml uploaded. | 26 June 2019 04:11 CEST | Update | https://www.mdpi.com/2075-4426/9/2/31/xml |
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| article pdf uploaded. | 7 June 2019 16:57 CEST | Version of Record | https://www.mdpi.com/2075-4426/9/2/31/pdf-vor |
| article xml file uploaded | 7 June 2019 16:57 CEST | Original file | - |
