| article html file updated | 1 September 2025 15:46 CEST | Update | https://www.mdpi.com/2218-1997/6/12/238 |
| article html file updated | 23 July 2022 04:43 CEST | Update | - |
| article html file updated | 21 December 2020 09:58 CET | Update | - |
| article html file updated | 21 December 2020 08:12 CET | Original file | - |
| article pdf uploaded. | 21 December 2020 08:09 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/12/238/pdf |
| article xml uploaded. | 21 December 2020 08:09 CET | Update | https://www.mdpi.com/2218-1997/6/12/238/xml |
| article xml file uploaded | 21 December 2020 08:08 CET | Original file | - |
| article pdf uploaded. | 11 December 2020 10:39 CET | Version of Record | https://www.mdpi.com/2218-1997/6/12/238/pdf-vor |
