| article html file updated | 31 August 2025 09:01 CEST | Update | https://www.mdpi.com/2223-7747/9/1/107 |
| article html file updated | 20 July 2022 17:33 CEST | Update | - |
| article html file updated | 15 February 2020 03:01 CET | Update | - |
| article html file updated | 5 February 2020 13:20 CET | Update | - |
| article html file updated | 15 January 2020 11:36 CET | Original file | - |
| article pdf uploaded. | 15 January 2020 11:35 CET | Version of Record | https://www.mdpi.com/2223-7747/9/1/107/pdf |
| article xml uploaded. | 15 January 2020 11:35 CET | Update | https://www.mdpi.com/2223-7747/9/1/107/xml |
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