| article html file updated | 31 July 2022 03:16 CEST | Update | https://www.mdpi.com/1996-1073/15/2/509 |
| article html file updated | 12 January 2022 05:14 CET | Original file | - |
| article pdf uploaded. | 12 January 2022 05:13 CET | Updated version of record | https://www.mdpi.com/1996-1073/15/2/509/pdf |
| article xml uploaded. | 12 January 2022 05:13 CET | Update | https://www.mdpi.com/1996-1073/15/2/509/xml |
| article xml file uploaded | 12 January 2022 05:13 CET | Original file | - |
| article pdf uploaded. | 11 January 2022 16:00 CET | Version of Record | https://www.mdpi.com/1996-1073/15/2/509/pdf-vor |
