| article html file updated | 31 August 2025 06:56 CEST | Update | https://www.mdpi.com/2077-1312/8/1/1 |
| article html file updated | 19 July 2022 21:20 CEST | Update | N/A |
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| article html file updated | 26 December 2019 10:51 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2019 10:49 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/1/1/pdf |
| article xml uploaded. | 26 December 2019 10:49 CET | Update | https://www.mdpi.com/2077-1312/8/1/1/xml |
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| article pdf uploaded. | 19 December 2019 10:20 CET | Version of Record | https://www.mdpi.com/2077-1312/8/1/1/pdf-vor |
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