| article html file updated | 31 August 2025 02:20 CEST | Update | https://www.mdpi.com/2076-0817/8/4/172 |
| article html file updated | 21 August 2025 22:45 CEST | Update | - |
| article html file updated | 13 February 2020 21:59 CET | Update | - |
| article html file updated | 30 December 2019 18:30 CET | Update | - |
| article html file updated | 21 October 2019 10:40 CEST | Original file | - |
| article pdf uploaded. | 21 October 2019 10:39 CEST | Updated version of record | https://www.mdpi.com/2076-0817/8/4/172/pdf |
| article xml uploaded. | 21 October 2019 10:39 CEST | Update | https://www.mdpi.com/2076-0817/8/4/172/xml |
| article xml file uploaded | 21 October 2019 10:39 CEST | Update | - |
| article pdf uploaded. | 1 October 2019 16:56 CEST | Version of Record | https://www.mdpi.com/2076-0817/8/4/172/pdf-vor |
| article xml file uploaded | 1 October 2019 16:56 CEST | Original file | - |
