| article html file updated | 31 August 2025 17:07 CEST | Update | https://www.mdpi.com/2227-9717/8/4/447 |
| article html file updated | 21 July 2022 01:36 CEST | Update | - |
| article html file updated | 8 May 2020 18:17 CEST | Update | - |
| article html file updated | 21 April 2020 09:03 CEST | Original file | - |
| article pdf uploaded. | 21 April 2020 09:01 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/447/pdf |
| article xml uploaded. | 21 April 2020 09:01 CEST | Update | https://www.mdpi.com/2227-9717/8/4/447/xml |
| article xml file uploaded | 21 April 2020 09:01 CEST | Update | - |
| article pdf uploaded. | 16 April 2020 14:51 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/447/pdf-vor |
| article pdf uploaded. | 10 April 2020 18:00 CEST | Version of Record | https://www.mdpi.com/2227-9717/8/4/447/pdf-vor |
| article xml file uploaded | 10 April 2020 18:00 CEST | Original file | - |
