| article html file updated | 24 December 2025 17:15 CET | Update | https://www.mdpi.com/2218-1997/6/2/25 |
| article html file updated | 31 August 2025 10:02 CEST | Update | N/A |
| article html file updated | 21 August 2025 23:38 CEST | Update | N/A |
| article html file updated | 20 July 2022 18:33 CEST | Update | N/A |
| article html file updated | 2 March 2020 14:12 CET | Original file | N/A |
| article pdf uploaded. | 2 March 2020 14:10 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/2/25/pdf |
| article xml uploaded. | 2 March 2020 14:10 CET | Update | https://www.mdpi.com/2218-1997/6/2/25/xml |
| article xml file uploaded | 2 March 2020 14:10 CET | Update | N/A |
| article pdf uploaded. | 27 January 2020 12:13 CET | Version of Record | https://www.mdpi.com/2218-1997/6/2/25/pdf-vor |
| article xml file uploaded | 27 January 2020 12:13 CET | Original file | N/A |
