| article html file updated | 30 August 2025 10:45 CEST | Update | https://www.mdpi.com/2409-9279/2/1/6 |
| article html file updated | 17 July 2022 21:53 CEST | Update | - |
| article html file updated | 11 February 2020 07:30 CET | Update | - |
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| article html file updated | 11 January 2019 10:30 CET | Original file | - |
| article pdf uploaded. | 11 January 2019 10:29 CET | Updated version of record | https://www.mdpi.com/2409-9279/2/1/6/pdf |
| article xml uploaded. | 11 January 2019 10:29 CET | Update | https://www.mdpi.com/2409-9279/2/1/6/xml |
| article xml file uploaded | 11 January 2019 10:29 CET | Update | - |
| article pdf uploaded. | 8 January 2019 17:08 CET | Updated version of record | https://www.mdpi.com/2409-9279/2/1/6/pdf-vor |
| article pdf uploaded. | 8 January 2019 16:58 CET | Version of Record | https://www.mdpi.com/2409-9279/2/1/6/pdf-vor |
| article xml file uploaded | 8 January 2019 16:58 CET | Original file | - |
