| article html file updated | 2 September 2025 09:50 CEST | Update | https://www.mdpi.com/2227-9717/9/6/991 |
| article html file updated | 26 July 2022 22:46 CEST | Update | N/A |
| article html file updated | 8 June 2021 11:51 CEST | Update | N/A |
| article pdf uploaded. | 8 June 2021 11:49 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/6/991/pdf |
| article xml uploaded. | 8 June 2021 11:49 CEST | Update | https://www.mdpi.com/2227-9717/9/6/991/xml |
| article xml file uploaded | 8 June 2021 11:49 CEST | Update | N/A |
| article html file updated | 3 June 2021 16:10 CEST | Original file | N/A |
| article supplementary file uploaded. | 3 June 2021 16:09 CEST | - | https://www.mdpi.com/2227-9717/9/6/991#supplementary |
| article pdf uploaded. | 3 June 2021 16:09 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/6/991/pdf-vor |
| article xml file uploaded | 3 June 2021 16:09 CEST | Original file | N/A |
