| article html file updated | 24 December 2025 20:35 CET | Update | https://www.mdpi.com/2218-1997/6/8/123 |
| article html file updated | 1 September 2025 05:32 CEST | Update | N/A |
| article html file updated | 22 July 2022 03:18 CEST | Update | N/A |
| article html file updated | 13 August 2020 07:55 CEST | Original file | N/A |
| article pdf uploaded. | 13 August 2020 07:54 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/8/123/pdf |
| article xml uploaded. | 13 August 2020 07:54 CEST | Update | https://www.mdpi.com/2218-1997/6/8/123/xml |
| article xml file uploaded | 13 August 2020 07:54 CEST | Original file | N/A |
| article pdf uploaded. | 12 August 2020 13:01 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/8/123/pdf-vor |
