| article html file updated | 24 December 2025 19:37 CET | Update | https://www.mdpi.com/2218-1997/6/7/90 |
| article html file updated | 1 September 2025 01:14 CEST | Update | N/A |
| article html file updated | 21 July 2022 22:32 CEST | Update | N/A |
| article html file updated | 8 June 2022 12:31 CEST | Update | N/A |
| article xml uploaded. | 8 June 2022 12:29 CEST | Update | https://www.mdpi.com/2218-1997/6/7/90/xml |
| article pdf uploaded. | 8 June 2022 12:29 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/7/90/pdf |
| article html file updated | 10 July 2020 09:24 CEST | Original file | N/A |
| article pdf uploaded. | 10 July 2020 09:23 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/7/90/pdf-vor |
| article xml file uploaded | 10 July 2020 09:23 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 11:38 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/7/90/pdf-vor |