| article html file updated | 31 July 2022 22:34 CEST | Update | https://www.mdpi.com/1996-1073/15/4/1521 |
| article html file updated | 21 February 2022 09:29 CET | Original file | - |
| article pdf uploaded. | 21 February 2022 09:28 CET | Updated version of record | https://www.mdpi.com/1996-1073/15/4/1521/pdf |
| article xml uploaded. | 21 February 2022 09:28 CET | Update | https://www.mdpi.com/1996-1073/15/4/1521/xml |
| article xml file uploaded | 21 February 2022 09:28 CET | Original file | - |
| article pdf uploaded. | 18 February 2022 11:54 CET | Version of Record | https://www.mdpi.com/1996-1073/15/4/1521/pdf-vor |
