| article html file updated | 31 August 2025 08:25 CEST | Update | https://www.mdpi.com/2076-2607/8/1/81 |
| article html file updated | 19 July 2022 19:54 CEST | Update | - |
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| article pdf uploaded. | 21 January 2020 10:25 CET | Updated version of record | https://www.mdpi.com/2076-2607/8/1/81/pdf |
| article xml file uploaded | 21 January 2020 10:25 CET | Update | https://www.mdpi.com/2076-2607/8/1/81/xml |
| article pdf uploaded. | 21 January 2020 10:24 CET | Updated version of record | https://www.mdpi.com/2076-2607/8/1/81/pdf-vor |
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| article pdf uploaded. | 7 January 2020 13:49 CET | Version of Record | https://www.mdpi.com/2076-2607/8/1/81/pdf-vor |
| article xml file uploaded | 7 January 2020 13:49 CET | Original file | - |
