| article html file updated | 31 August 2025 07:14 CEST | Update | https://www.mdpi.com/1424-8220/20/1/91 |
| article html file updated | 19 July 2022 21:02 CEST | Update | - |
| article html file updated | 14 February 2020 20:57 CET | Update | - |
| article html file updated | 16 January 2020 08:18 CET | Update | - |
| article html file updated | 22 December 2019 11:04 CET | Original file | - |
| article pdf uploaded. | 22 December 2019 11:03 CET | Version of Record | https://www.mdpi.com/1424-8220/20/1/91/pdf |
| article xml uploaded. | 22 December 2019 11:03 CET | Update | https://www.mdpi.com/1424-8220/20/1/91/xml |
| article xml file uploaded | 22 December 2019 11:03 CET | Original file | - |
