| article html file updated | 31 August 2025 15:58 CEST | Update | https://www.mdpi.com/2223-7747/9/4/422 |
| article html file updated | 21 July 2022 00:26 CEST | Update | - |
| article html file updated | 9 May 2020 04:24 CEST | Update | - |
| article html file updated | 3 April 2020 03:41 CEST | Update | - |
| article pdf uploaded. | 3 April 2020 03:39 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/422/pdf |
| article xml uploaded. | 3 April 2020 03:39 CEST | Update | https://www.mdpi.com/2223-7747/9/4/422/xml |
| article xml file uploaded | 3 April 2020 03:39 CEST | Update | - |
| article html file updated | 31 March 2020 07:27 CEST | Update | - |
| article pdf uploaded. | 31 March 2020 07:25 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/422/pdf-vor |
| article xml file uploaded | 31 March 2020 07:25 CEST | Update | - |
| article html file updated | 31 March 2020 07:15 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 07:14 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/422/pdf-vor |
| article xml file uploaded | 31 March 2020 07:14 CEST | Original file | - |
