| article html file updated | 2 September 2025 03:40 CEST | Update | https://www.mdpi.com/2227-9717/9/4/681 |
| article html file updated | 25 July 2022 12:02 CEST | Update | - |
| article html file updated | 5 August 2021 06:37 CEST | Update | - |
| article html file updated | 20 April 2021 09:45 CEST | Update | - |
| article pdf uploaded. | 20 April 2021 09:43 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/681/pdf |
| article xml uploaded. | 20 April 2021 09:43 CEST | Update | https://www.mdpi.com/2227-9717/9/4/681/xml |
| article xml file uploaded | 20 April 2021 09:43 CEST | Update | - |
| article html file updated | 14 April 2021 09:57 CEST | Update | - |
| article pdf uploaded. | 14 April 2021 09:56 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/681/pdf-vor |
| article xml file uploaded | 14 April 2021 09:56 CEST | Update | - |
| article html file updated | 14 April 2021 09:07 CEST | Original file | - |
| article pdf uploaded. | 14 April 2021 09:06 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/681/pdf-vor |
| article xml file uploaded | 14 April 2021 09:06 CEST | Original file | - |
| article pdf uploaded. | 13 April 2021 14:27 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/4/681/pdf-vor |
