| article html file updated | 1 September 2025 10:24 CEST | Update | https://www.mdpi.com/2218-1997/6/10/170 |
| article html file updated | 22 July 2022 10:05 CEST | Update | - |
| article html file updated | 21 October 2020 05:24 CEST | Original file | - |
| article pdf uploaded. | 21 October 2020 05:08 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/10/170/pdf |
| article xml uploaded. | 21 October 2020 05:08 CEST | Update | https://www.mdpi.com/2218-1997/6/10/170/xml |
| article xml file uploaded | 21 October 2020 05:07 CEST | Original file | - |
| article pdf uploaded. | 9 October 2020 14:19 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/10/170/pdf-vor |
