| article html file updated | 24 December 2025 16:47 CET | Update | https://www.mdpi.com/1660-3397/18/1/2 |
| article html file updated | 31 August 2025 06:52 CEST | Update | N/A |
| article html file updated | 19 July 2022 21:24 CEST | Update | N/A |
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| article html file updated | 26 December 2019 09:32 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2019 09:31 CET | Updated version of record | https://www.mdpi.com/1660-3397/18/1/2/pdf |
| article xml uploaded. | 26 December 2019 09:31 CET | Update | https://www.mdpi.com/1660-3397/18/1/2/xml |
| article xml file uploaded | 26 December 2019 09:31 CET | Update | N/A |
| article pdf uploaded. | 18 December 2019 12:14 CET | Version of Record | https://www.mdpi.com/1660-3397/18/1/2/pdf-vor |
| article xml file uploaded | 18 December 2019 12:14 CET | Original file | N/A |
