| article html file updated | 31 August 2025 14:43 CEST | Update | https://www.mdpi.com/2218-1997/6/3/44 |
| article html file updated | 20 July 2022 23:13 CEST | Update | N/A |
| article html file updated | 1 April 2020 23:35 CEST | Update | N/A |
| article html file updated | 26 March 2020 11:38 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2020 11:35 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/3/44/pdf |
| article xml uploaded. | 26 March 2020 11:35 CET | Update | https://www.mdpi.com/2218-1997/6/3/44/xml |
| article xml file uploaded | 26 March 2020 11:35 CET | Update | N/A |
| article pdf uploaded. | 17 March 2020 17:16 CET | Version of Record | https://www.mdpi.com/2218-1997/6/3/44/pdf-vor |
| article xml file uploaded | 17 March 2020 17:16 CET | Original file | N/A |
