| article html file updated | 31 August 2025 21:33 CEST | Update | https://www.mdpi.com/2218-1997/6/5/70 |
| article html file updated | 21 July 2022 05:57 CEST | Update | - |
| article html file updated | 5 June 2020 09:53 CEST | Update | - |
| article html file updated | 28 May 2020 09:24 CEST | Original file | - |
| article pdf uploaded. | 28 May 2020 09:21 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/5/70/pdf |
| article xml uploaded. | 28 May 2020 09:21 CEST | Update | https://www.mdpi.com/2218-1997/6/5/70/xml |
| article xml file uploaded | 28 May 2020 09:21 CEST | Update | - |
| article pdf uploaded. | 25 May 2020 15:42 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/5/70/pdf-vor |
| article xml file uploaded | 25 May 2020 15:42 CEST | Original file | - |
