| article html file updated | 1 September 2025 20:50 CEST | Update | https://www.mdpi.com/2073-4441/13/4/421 |
| article html file updated | 24 July 2022 16:25 CEST | Update | - |
| article html file updated | 18 February 2021 12:16 CET | Update | - |
| article pdf uploaded. | 18 February 2021 12:15 CET | Updated version of record | https://www.mdpi.com/2073-4441/13/4/421/pdf |
| article xml uploaded. | 18 February 2021 12:15 CET | Update | https://www.mdpi.com/2073-4441/13/4/421/xml |
| article xml file uploaded | 18 February 2021 12:15 CET | Update | - |
| article html file updated | 8 February 2021 09:14 CET | Original file | - |
| article pdf uploaded. | 8 February 2021 09:13 CET | Updated version of record | https://www.mdpi.com/2073-4441/13/4/421/pdf-vor |
| article xml uploaded. | 8 February 2021 09:13 CET | Update | - |
| article xml file uploaded | 8 February 2021 09:13 CET | Original file | - |
| article pdf uploaded. | 5 February 2021 13:01 CET | Updated version of record | https://www.mdpi.com/2073-4441/13/4/421/pdf-vor |
| article pdf uploaded. | 5 February 2021 12:32 CET | Version of Record | https://www.mdpi.com/2073-4441/13/4/421/pdf-vor |
