| article html file updated | 31 July 2022 06:58 CEST | Update | https://www.mdpi.com/2218-1997/8/2/81 |
| article html file updated | 8 February 2022 09:59 CET | Update | N/A |
| article html file updated | 8 February 2022 05:24 CET | Update | N/A |
| article pdf uploaded. | 8 February 2022 05:23 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/81/pdf |
| article xml uploaded. | 8 February 2022 05:23 CET | Update | https://www.mdpi.com/2218-1997/8/2/81/xml |
| article xml file uploaded | 8 February 2022 05:22 CET | Update | N/A |
| article html file updated | 8 February 2022 04:52 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2022 04:51 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/81/pdf-vor |
| article xml uploaded. | 8 February 2022 04:51 CET | Update | N/A |
| article xml file uploaded | 8 February 2022 04:51 CET | Original file | N/A |
| article pdf uploaded. | 27 January 2022 15:43 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/81/pdf-vor |