| article html file updated | 31 August 2025 13:49 CEST | Update | https://www.mdpi.com/2218-1997/6/3/42 |
| article html file updated | 21 August 2025 23:43 CEST | Update | N/A |
| article html file updated | 20 July 2022 22:19 CEST | Update | N/A |
| article html file updated | 8 October 2020 18:05 CEST | Update | N/A |
| article html file updated | 1 April 2020 23:34 CEST | Update | N/A |
| article html file updated | 26 March 2020 12:44 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2020 12:43 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/3/42/pdf |
| article xml uploaded. | 26 March 2020 12:43 CET | Update | https://www.mdpi.com/2218-1997/6/3/42/xml |
| article xml file uploaded | 26 March 2020 12:43 CET | Update | N/A |
| article pdf uploaded. | 7 March 2020 13:45 CET | Version of Record | https://www.mdpi.com/2218-1997/6/3/42/pdf-vor |
| article xml file uploaded | 7 March 2020 13:45 CET | Original file | N/A |
