| article html file updated | 19 August 2026 04:20 CEST | Update | https://www.mdpi.com/1424-8220/21/6/2222 |
| article html file updated | 24 March 2021 09:23 CET | Original file | N/A |
| article pdf uploaded. | 24 March 2021 09:21 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/6/2222/pdf |
| article xml uploaded. | 24 March 2021 09:21 CET | Update | https://www.mdpi.com/1424-8220/21/6/2222/xml |
| article xml file uploaded | 24 March 2021 09:21 CET | Original file | N/A |
| article pdf uploaded. | 22 March 2021 17:02 CET | Version of Record | https://www.mdpi.com/1424-8220/21/6/2222/pdf-vor |
