| article html file updated | 31 July 2022 03:41 CEST | Update | https://www.mdpi.com/2218-1997/8/1/51 |
| article html file updated | 14 January 2022 10:59 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2022 10:57 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/51/pdf |
| article xml uploaded. | 14 January 2022 10:57 CET | Update | https://www.mdpi.com/2218-1997/8/1/51/xml |
| article xml file uploaded | 14 January 2022 10:57 CET | Original file | N/A |
| article pdf uploaded. | 13 January 2022 15:20 CET | Version of Record | https://www.mdpi.com/2218-1997/8/1/51/pdf-vor |
