| article html file updated | 31 August 2025 08:59 CEST | Update | https://www.mdpi.com/2076-0817/9/1/57 |
| article html file updated | 20 July 2022 17:31 CEST | Update | - |
| article html file updated | 15 February 2020 02:53 CET | Update | - |
| article html file updated | 6 February 2020 23:06 CET | Update | - |
| article html file updated | 22 January 2020 10:54 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 10:53 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/1/57/pdf |
| article xml uploaded. | 22 January 2020 10:53 CET | Update | https://www.mdpi.com/2076-0817/9/1/57/xml |
| article xml file uploaded | 22 January 2020 10:53 CET | Update | - |
| article pdf uploaded. | 14 January 2020 16:39 CET | Version of Record | https://www.mdpi.com/2076-0817/9/1/57/pdf-vor |
| article xml file uploaded | 14 January 2020 16:39 CET | Original file | - |
