| article html file updated | 31 August 2025 03:58 CEST | Update | https://www.mdpi.com/2075-4418/9/4/173 |
| article html file updated | 20 July 2022 00:23 CEST | Update | - |
| article html file updated | 14 February 2020 06:19 CET | Update | - |
| article html file updated | 30 December 2019 11:07 CET | Update | - |
| article html file updated | 23 November 2019 04:06 CET | Original file | - |
| article pdf uploaded. | 23 November 2019 04:05 CET | Updated version of record | https://www.mdpi.com/2075-4418/9/4/173/pdf |
| article xml uploaded. | 23 November 2019 04:05 CET | Update | https://www.mdpi.com/2075-4418/9/4/173/xml |
| article xml file uploaded | 23 November 2019 04:05 CET | Update | - |
| article pdf uploaded. | 2 November 2019 11:54 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/173/pdf-vor |
| article xml file uploaded | 2 November 2019 11:54 CET | Original file | - |
