| article html file updated | 31 August 2025 15:40 CEST | Update | https://www.mdpi.com/2227-9717/8/4/391 |
| article html file updated | 21 July 2022 00:09 CEST | Update | - |
| article html file updated | 8 May 2020 17:57 CEST | Update | - |
| article html file updated | 3 April 2020 05:42 CEST | Original file | - |
| article pdf uploaded. | 3 April 2020 05:41 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/391/pdf |
| article xml uploaded. | 3 April 2020 05:41 CEST | Update | https://www.mdpi.com/2227-9717/8/4/391/xml |
| article xml file uploaded | 3 April 2020 05:41 CEST | Update | - |
| article pdf uploaded. | 27 March 2020 12:41 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/4/391/pdf-vor |
| article xml file uploaded | 27 March 2020 12:41 CET | Update | - |
| article pdf uploaded. | 27 March 2020 12:41 CET | Version of Record | https://www.mdpi.com/2227-9717/8/4/391/pdf-vor |
| article xml file uploaded | 27 March 2020 12:41 CET | Original file | - |
