| article html file updated | 24 December 2025 17:52 CET | Update | https://www.mdpi.com/2218-1997/6/3/40 |
| article html file updated | 31 August 2025 13:42 CEST | Update | - |
| article html file updated | 20 July 2022 22:12 CEST | Update | - |
| article html file updated | 1 April 2020 23:33 CEST | Update | - |
| article html file updated | 27 March 2020 02:45 CET | Original file | - |
| article pdf uploaded. | 27 March 2020 02:43 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/3/40/pdf |
| article xml uploaded. | 27 March 2020 02:43 CET | Update | https://www.mdpi.com/2218-1997/6/3/40/xml |
| article xml file uploaded | 27 March 2020 02:43 CET | Update | - |
| article pdf uploaded. | 6 March 2020 13:20 CET | Version of Record | https://www.mdpi.com/2218-1997/6/3/40/pdf-vor |
| article xml file uploaded | 6 March 2020 13:20 CET | Original file | - |
