| article html file updated | 24 December 2025 18:21 CET | Update | https://www.mdpi.com/2227-9717/8/4/449 |
| article html file updated | 31 August 2025 17:08 CEST | Update | N/A |
| article html file updated | 21 July 2022 01:36 CEST | Update | N/A |
| article html file updated | 8 May 2020 18:17 CEST | Update | N/A |
| article html file updated | 26 April 2020 14:38 CEST | Update | N/A |
| article pdf uploaded. | 26 April 2020 14:37 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/449/pdf |
| article xml uploaded. | 26 April 2020 14:37 CEST | Update | https://www.mdpi.com/2227-9717/8/4/449/xml |
| article xml file uploaded | 26 April 2020 14:37 CEST | Update | N/A |
| article html file updated | 20 April 2020 09:11 CEST | Original file | N/A |
| article pdf uploaded. | 20 April 2020 09:09 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/449/pdf-vor |
| article xml file uploaded | 20 April 2020 09:09 CEST | Update | N/A |
| article pdf uploaded. | 11 April 2020 12:24 CEST | Version of Record | https://www.mdpi.com/2227-9717/8/4/449/pdf-vor |
| article xml file uploaded | 11 April 2020 12:24 CEST | Original file | N/A |
