| article html file updated | 31 July 2022 23:09 CEST | Update | https://www.mdpi.com/2218-1997/8/2/131 |
| article html file updated | 21 February 2022 07:34 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2022 07:33 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/131/pdf |
| article xml uploaded. | 21 February 2022 07:33 CET | Update | https://www.mdpi.com/2218-1997/8/2/131/xml |
| article xml file uploaded | 21 February 2022 07:33 CET | Original file | N/A |
| article pdf uploaded. | 18 February 2022 14:38 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/131/pdf-vor |
