| article html file updated | 31 August 2025 08:11 CEST | Update | https://www.mdpi.com/1911-8074/13/1/12 |
| article html file updated | 19 July 2022 20:07 CEST | Update | - |
| article html file updated | 15 February 2020 00:06 CET | Update | - |
| article html file updated | 7 February 2020 00:22 CET | Update | - |
| article html file updated | 10 January 2020 04:00 CET | Original file | - |
| article pdf uploaded. | 4 January 2020 08:35 CET | Version of Record | https://www.mdpi.com/1911-8074/13/1/12/pdf |
| article xml uploaded. | 4 January 2020 08:35 CET | Update | https://www.mdpi.com/1911-8074/13/1/12/xml |
| article xml file uploaded | 4 January 2020 08:35 CET | Original file | - |
