| article html file updated | 31 August 2025 07:05 CEST | Update | https://www.mdpi.com/1424-8220/20/1/56 |
| article html file updated | 19 July 2022 21:11 CEST | Update | - |
| article html file updated | 14 February 2020 20:27 CET | Update | - |
| article html file updated | 16 January 2020 07:24 CET | Update | - |
| article html file updated | 20 December 2019 12:18 CET | Original file | - |
| article pdf uploaded. | 20 December 2019 12:16 CET | Version of Record | https://www.mdpi.com/1424-8220/20/1/56/pdf |
| article xml uploaded. | 20 December 2019 12:16 CET | Update | https://www.mdpi.com/1424-8220/20/1/56/xml |
| article xml file uploaded | 20 December 2019 12:16 CET | Original file | - |
