| article html file updated | 31 August 2025 07:06 CEST | Update | https://www.mdpi.com/1424-8220/20/1/60 |
| article html file updated | 19 July 2022 21:10 CEST | Update | - |
| article html file updated | 14 February 2020 20:31 CET | Update | - |
| article html file updated | 16 January 2020 07:30 CET | Update | - |
| article html file updated | 24 December 2019 06:26 CET | Update | - |
| article pdf uploaded. | 24 December 2019 06:24 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/1/60/pdf |
| article xml uploaded. | 24 December 2019 06:24 CET | Update | https://www.mdpi.com/1424-8220/20/1/60/xml |
| article xml file uploaded | 24 December 2019 06:24 CET | Update | - |
| article html file updated | 20 December 2019 13:15 CET | Original file | - |
| article pdf uploaded. | 20 December 2019 13:13 CET | Version of Record | - |
| article xml uploaded. | 20 December 2019 13:13 CET | Update | - |
| article xml file uploaded | 20 December 2019 13:13 CET | Original file | - |
