| article html file updated | 31 August 2025 10:17 CEST | Update | https://www.mdpi.com/2223-7747/9/2/167 |
| article html file updated | 20 July 2022 18:48 CEST | Update | - |
| article html file updated | 6 March 2020 08:33 CET | Update | - |
| article html file updated | 15 February 2020 06:35 CET | Update | - |
| article html file updated | 30 January 2020 13:09 CET | Original file | - |
| article pdf uploaded. | 30 January 2020 13:08 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/167/pdf |
| article xml uploaded. | 30 January 2020 13:08 CET | Update | https://www.mdpi.com/2223-7747/9/2/167/xml |
| article xml file uploaded | 30 January 2020 13:08 CET | Original file | - |
