| article html file updated | 31 August 2025 22:24 CEST | Update | https://www.mdpi.com/2227-9717/8/6/661 |
| article html file updated | 21 July 2022 06:48 CEST | Update | - |
| article html file updated | 15 June 2020 06:10 CEST | Original file | - |
| article pdf uploaded. | 15 June 2020 06:08 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/6/661/pdf |
| article xml uploaded. | 15 June 2020 06:08 CEST | Update | https://www.mdpi.com/2227-9717/8/6/661/xml |
| article xml file uploaded | 15 June 2020 06:08 CEST | Original file | - |
| article pdf uploaded. | 2 June 2020 13:25 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/6/661/pdf-vor |
| article pdf uploaded. | 2 June 2020 13:25 CEST | Version of Record | https://www.mdpi.com/2227-9717/8/6/661/pdf-vor |
